48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor

48V_1500W_26_E_Bike_Rear_Wheel_Motor_Conversion_Kit_LCD_Electric_Bicycle_Motor_01_ys
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor

48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor
Specifications Wheel Material: Aluminum Color: Black Specific Uses For Product: Road Suspension Type: Rear Special Feature: Electric Voltage: 220V Output Voltage: 48V Power: 1500W Rotational Speed: 500rpm Torque: 50N. M Motor Speed: 55km/h Gross Weight: 12.5kg/27.56 lbs Net Weight: 11.5kg/25.35 lbs Package Size: 606023cm/23.6223.629.06″ Wheel Size: 26-inch Wheel Width: 209.5mm/8.25″ Wheel Diameter: 573mm/22.56″ Flywheel Diameter: 242mm/9.53″ Package Included 1 Motor Wheel 1 7-speed Flywheel 1 Controller 1 LCD Display 1 Ordinary Throttle 1 Pedal Assistant Sensor 1 Power-off Brake Lever 1 Controller Bag 1 English Manual All Accessories for Assembly. 26 48V 1500W EBike Rear Wheel Motor Conversion Kit Electric Bicycle Motor LCD. Are you an avid cyclist? Do you usually find it difficult to climb hills on a bike? Do you want to feel the wind? Are you looking forward to modifying your high-powered electric bicycle? Then you can’t miss our electric bike motor conversion kit. The conversion kit is made of a high-quality sensor and brake handles with high sensitivity to protect you during your ride. This professional and reliable conversion kit is a good choice for you. High-quality Material: The motor wheel is made of good performance aluminum material that is strong and durable. Every part of the conversion kit is made of high-quality workmanship, which makes it safe and durable. High Power: This product is equipped with a 1500W brushless and toothless gear motor, which is powerful and can reduce noise. Powerful Controller: This product is equipped with a powerful controller that is the brain of the electric bike to ensure the smooth operation of other components. It can help you ride, double the distance, and make the riding process easier! Two Types of Handlebars: This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a power-off brake handle that gives you a double guarantee of safety. Diverse Functions: This product has a five-speed adjustable, and also with fixed-speed cruise function. It can bring you an unprecedented riding experience. LCD Function: This LCD can show speed, mileage, power, and fault so that you can grasp the status of the bike in time. High-speed Riding: With a maximum motor speed of 55 km/h at no-load, you can enjoy the exciting experience of riding at high speed. Easy to Install : This kit includes a detailed manual. You just need to follow the manual steps and you can easily finish the bike conversion. It very saves your effort and mind. Guaranteed Customer Service: We aim to provide quality products and services. We will reply and solve the problem for you as soon as possible. Aluminum Rim : The rim of the electric wheel in this set is made of excellent aluminum, which is waterproof and anti-corrosion. The high-quality rim is more durable and extends its service life. Clear LCD Display : The LCD in this set is very clear. You can see the displayed speed, power, mileage, and other data very clearly. Pedal Assistant Sensor: This product has a sensor for pedal assist, which can sense the pedal cadence and adjust the motor turning rate accordingly. You can get the power assistant without holding the throttle. It is very great for a long-distance journey and can avoid wrist pain from constant pressing. Controller Bag: This set is equipped with a controller bag, which can store the controller. It is not only very convenient to store it but also very good-looking. This bike conversion kit fits 26-inch bikes. Specific Uses For Product: Road. Gross Weight: 12.5kg/27.56 lbs. Net Weight: 11.5kg/25.35 lbs. Package Size: 606023cm/23.6223.629.06. Wheel Width: 209.5mm/8.25. Wheel Diameter: 573mm/22.56. Flywheel Diameter: 242mm/9.53. 1 Pedal Assistant Sensor. 1 Power-off Brake Lever. All Accessories for Assembly. Please read the user manual carefully before use and pay special attention to the safety precautions included. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. High quality & Duable. Stable characteristic, high reliability. Destination never sent to or arrived. Transportation does not include. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “ryxvvipshop” and is located in this country: GB. This item can be shipped to United Kingdom.
  • Feature 4: Trouble-free Installation
  • Feature 2: Special Fashion Design
  • Matetial 1: high quality & Duable
  • Feature 1: Stable characteristic, high reliability
  • Destination never sent to or arrived: Canarias Island
  • Transportation does not include: canarias
  • Brand: Unbranded
  • Part Type: Rear Wheel
  • Voltage: 48 V
  • Compatible Bike Type: E-Mini Bike

48V 1500W 26 E-Bike Rear Wheel Motor Conversion Kit LCD Electric Bicycle Motor

48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display

48V_1500w_26_x_4_Inch_Fat_electric_bike_Conversion_kit_sw900_LCD_display_01_lnze
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display

48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display
48V 1500w 26×4” electric bike Conversion kit Sw900 display. High power electric bike conversion kit is capable of accelerating to the off-road speed 35mph. The kit comes with a speed limiter to set at 250 Watt. Silent motor with 50N/m torque. The conversion kit is compatible with Disc and V brake and comes with SW900 LCD display allows you to restrict or derestricted your speed between 15mph to 35mph. Just set up the speed you need and motor will cut off when you reach your desired set speed. The conversion kit is the best quality and relative low weight, the motor is sleek and silent making it easy to pedal even without power. Key feature: 48V 1500W super power brushless gearless hub motor with 35A controller. Adjustable 5 level intelligent pedal assist with thumb throttle LCD display shows battery level and pedal assistance settings, speedometer, odometer, wattage, speed setting etc. Brake Levers cut off the power supply to the motor safely. High Efficient pedal assist sensor. Bike rear dropouts – 170-190 mm width. Main technical parameters of the controller. Driving mode square wave. Waterproof basic protection of water washout IP64. 1x wheel with 1500w motor. 1x 7 speed shimano cassette. 1x Pedal Assist Crank Sensor. 1x Thumb Twist Throttle. 1x Pair of Brake Levers. 1x LCD Meter – sw900. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “bike-1000″ and is located in this country: GB. This item can be shipped to United Kingdom.
  • Brand: Uk E Cycles
  • Voltage: 48 V
  • Item Width: 4 in
  • Part Type: Motor
  • Colour: Black

48V 1500w 26 x 4 Inch Fat electric bike Conversion kit sw900 LCD display

Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD

Voilamart_1500W_26_Electric_Bicycle_Motor_Conversion_Kit_Rear_Wheel_SW900_LCD_01_dkpl
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD

Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD
Waterproof 26 1500W Rear Wheel Electric Bicycle Conversion Kit E-bike Motor LCD. 2X Electric Bike EBike Torque Arm Washers Universal for Front Rear E-bike Moto. Voilamart 36V Electric Bike Conversion Kit 26 Front Wheel Brushless Motor Hub. UK 48V 1000W 26 Electric Bicycle Motor Conversion Kit Rear Wheel EBike+ SW900. Voilamart 24 1000W Rear Electric Bicycle Motor Conversion Kit EBike Wheel LCD. Voilamart 26 500W Electric Bicycle Motor Conversion Kit Rear Wheel EBike PAS. Voilamart 28(700C) Rear Wheel Motor Electric Bicycle Ebike Conversion Kit w/LCD. 26 48V1500W Rear Electric Bicycle Motor Conversion Kit EBike Wheel Cycling Hub. Voilamart 28 1000W Front Wheel Electric Bicycle Bike Motor Conversion Kit Hub. Voilamart 261000W Rear Wheel 48V Electric Bicycle Bike Motor Conversion Kit Hub. Voilamart 26 Front Wheel 48V 1000W Electric Bicycle E Bike Motor Conversion Kit. Voilamart 26 36V 250W Electric Bicycle Bike Conversion Kit Rear Wheel Motor Hub. Our electric bicycle kit has been upgraded!! This Electric Bicycle kit includes everything needed(except battery) to convert your standard bike into a top-of-the-line performance electric bike, which delivers unequaled performance and reliability. You’ll be out cruising along at 34 mph (55km/h) without a sweat! LCD display shows battery level and pedal assistance settings. Our electric bicycle kit has been. You’ll be out cruising along at. Built to the highest international standards, CE, EN15194. 48V 1500W and 250W. Super power brushless gearless hub motor. By default as a road-legal kit. Nylon tire& alloy rim& galvanized steel spoke. Rare-earth metal magnet are used in the motor to efficiently produce large power. Aluminum alloy powerful controller guarantee big current supply. Brake Levers cut off the power supply to the motor safely. Crank speed sensor for pedal assist. Aluminum alloy powerful controller. Upgraded Intelligent Motor Controller. Allow you to swap two power modes between the full 1500W power or 250W power by a single blue switch wire is embedded in controller. (Only for Twist Throttle). Still remain the full 1500W power with no speed control. (Only for Pedal Assist System, “PAS”). The system requires a 48 Volt electrokinetic cell battery with a nominal capacity not less than 14.5Ah. Battery is not included in package. The UK regulations dictate that a kit must not exceed the rated power of 250W to be road-legal! Caution: For your Safety, Please turn off the battery before connecting the Controller! Wheel type: Rear Wheel. Power: 1500W / 48V or 250W / 48V. Spokes: Steel, 12G×0.1. Max speed: 34 mph or 24 mph (55km/h or 38km/h). Max load capacity: 551lbs. Net weight: 11.6kg. Wheel Axle: 8.27″ x F0.39″. 1x Brushless Gearless Motor Rear Wheel. 1x Intelligent Motor Controller. 1x Pedal Assist Crank Sensor. 1x Cable Ties & Plastic Coil. 1x Pair of Handle Bars. 1x Pair of Brake Handles. 1x 7 Speed Freewheel. Our warehouse is located in UK! Our company is one of UK’s fastest growing online retailers, which was founded in 2005 and target worldwide market. With our best effort, we are now trusted by more than 30,000 customers nationwide. We are dedicated to offering you an unrivalled choice of products with unbeatable low price and best quality. Directly sourcing from the manufacturers, you will be able to save up to 80% off retail price. Our massive warehouse of 4,000 sq metres located in Leicestershire, buyers can get your items real quick. Special circumstances will be listed clearly in the listing. Designated trademarks and brands are the property of their respective owners. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “sportingus” and is located in this country: GB. This item can be shipped to United Kingdom.
  • Battery Capacity: not less than 14.5Ah
  • Battery Type: Lithium Ion (Li-Ion)
  • Brake Type: Hand Brake
  • Brand: Voilamart
  • Color: Black
  • Colour: Black
  • Compatible Bike Type: E-Mountain Bike, Electric Bike, Universal
  • Electric Bike Part Type: Conversion Kit
  • Energy: Battery Power
  • Features: Pedal Assist
  • Frame Material: Aluminum Alloy
  • Frame Size: 24 in
  • Gender: Unisex Adult
  • Item Height: 66 cm(as picture shown)
  • Item Length: 66 cm(as picture shown)
  • Item Width: 1.97 in
  • Material: Aluminium Alloy
  • Max load capacity: 250kg
  • Motor: Brushless gearless
  • Note: Battery and charger are not included in package
  • Number of Items: as picture shown
  • Part Type: Electric Bicycle Conversion Kit
  • Power: 1500W
  • Set Includes: Brake Set, Cables, Cassette/Freewheel, Handlebar, Hubs, Pedals
  • Speed: 34 mph
  • Voltage: 48V
  • Wheel Size: 26 in
  • Wheel type: Rear Wheel

Voilamart 1500W 26 Electric Bicycle Motor Conversion Kit Rear Wheel+ SW900 LCD

48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes

48V_1500W_LCD_Rear_Wheel_Electric_Bicycle_Motor_Conversion_Kit_For_26_inch_Bikes_01_eza
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes

48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes
48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes. Are you an avid cyclist? Do you usually find it difficult to climb hills on a bike? Do you want to feel the wind? Are you looking forward to modifying your high-powered electric bicycle? Then you can’t miss our electric bike motor conversion kit. The conversion kit is made of a high-quality sensor and brake handles with high sensitivity to protect you during your ride. This professional and reliable conversion kit is a good choice for you. High-quality Material: The motor wheel is made of good performance aluminum material that is strong and durable. Every part of the conversion kit is made of high-quality workmanship, which makes it safe and durable. High Power: This product is equipped with a 1500W brushless and toothless gear motor, which is powerful and can reduce noise. Powerful Controller: This product is equipped with a powerful controller that is the brain of the electric bike to ensure the smooth operation of other components. It can help you ride, double the distance, and make the riding process easier! Two Types of Handlebars: This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a power-off brake handle that gives you a double guarantee of safety. Diverse Functions: This product has a five-speed adjustable, and also with fixed-speed cruise function. It can bring you an unprecedented riding experience. LCD Function: This LCD can show speed, mileage, power, and fault so that you can grasp the status of the bike in time. High-speed Riding: With a maximum motor speed of 55 km/h at no-load, you can enjoy the exciting experience of riding at high speed. Easy to Install : This kit includes a detailed manual. You just need to follow the manual steps and you can easily finish the bike conversion. It very saves your effort and mind. Guaranteed Customer Service: We aim to provide quality products and services. We will reply and solve the problem for you as soon as possible. Aluminum Rim : The rim of the electric wheel in this set is made of excellent aluminum, which is waterproof and anti-corrosion. The high-quality rim is more durable and extends its service life. Clear LCD Display : The LCD in this set is very clear. You can see the displayed speed, power, mileage, and other data very clearly. Pedal Assistant Sensor: This product has a sensor for pedal assist, which can sense the pedal cadence and adjust the motor turning rate accordingly. You can get the power assistant without holding the throttle. It is very great for a long-distance journey and can avoid wrist pain from constant pressing. Controller Bag: This set is equipped with a controller bag, which can store the controller. It is not only very convenient to store it but also very good-looking. This bike conversion kit fits 26-inch bikes. Specific Uses For Product: Road. Gross Weight: 12.5kg/27.56 lbs. Net Weight: 11.5kg/25.35 lbs. Package Size: 606023cm/23.6223.629.06. Wheel Width: 209.5mm/8.25. Wheel Diameter: 573mm/22.56. Flywheel Diameter: 242mm/9.53. 1 Pedal Assistant Sensor. 1 Power-off Brake Lever. All Accessories for Assembly. Please read the user manual carefully before use and pay special attention to the safety precautions included. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “sell_the_item” and is located in this country: GB. This item can be shipped to all countries in Europe.
  • Brand: Unbranded
  • Part Type: Rear Wheel
  • Voltage: 48 V
  • Manufacturer Warranty: 3 Years
  • Compatible Bike Type: E-Mini Bike

48V 1500W LCD Rear Wheel Electric Bicycle Motor Conversion Kit For 26-inch Bikes

52V 48V 20Ah Rear Rack Ebike Battery 1500W Electric Bike Battery Lithium Battery

52V_48V_20Ah_Rear_Rack_Ebike_Battery_1500W_Electric_Bike_Battery_Lithium_Battery_01_bp
52V 48V 20Ah Rear Rack Ebike Battery 1500W Electric Bike Battery Lithium Battery

52V 48V 20Ah Rear Rack Ebike Battery 1500W Electric Bike Battery Lithium Battery
Product Details & Features: (1) Long life 1000+ cycles, Quality Grade A cell, Riding time longer than ordinary batteries. (2) With USB, LED battery indicator, LED taillight, power switch, safety lock, battery mounting plate, cell balance and other functions. (3) Fully automatic built in battery protection system. Prevent the battery from overcharging, overdischarging, and short circuit. 52V 48V 20Ah Rear Rack Ebike Battery 1500W Electric Bike Battery Lithium Battery. Our batteries are suitable for most electric bicycles, except. Product Details & Features. (1) Long life 1000+ cycles, Quality Grade A cell, Riding time longer than ordinary batteries. Packing List:(Reference Packaging). Ebike Battery: 1 set Key: 2 pcs. Battery Charger: 1 pcs Rear Rack: 1 pcs. Charger AC plug: 1 pcs Instruction manual: 1 pcs. (Except weekends and holidays). We will reply you within 24 hours, thank you very much for your understanding. If the battery has a power switch, turn it on when charging and using it. We usually judge whether the battery is fully charged by the charger light turning green. And each power indicator only represents 25% power, which is only a proportional data. When the battery is charged to 75%, it will light up 3 green lights, and it will take some time to charge to 100%. The lithium battery can be charged at any time, it is not necessary that all energy is exhausted before charging. The battery should be used within a range of operating temperatures. Otherwise, there may be a loss of properties, leakage and / or rust. The rechargeable battery should be used within a short period of time after recharging, as the battery may self-discharge during prolonged storage. If long-term storage is required, the battery, which is 50% to 60% stored in a voltage range, is best because storage at higher voltage can result in loss of performance. Do not immerse the battery in water or seawater. Store the battery in a cool, dry environment. The battery should not be used near a heat source as a fire or heater. Use the charger specifically for charging. Do not interchange the position and the negative terminals. Do not connect the battery electrodes to a power outlet. Do not throw the battery in fire or heating. Do not short-circuit the battery by connecting the positive and negative poles directly to metal objects. Do not carry or store the battery with metal objects such as hairpins, necklaces, etc. Do not hit the battery, throw any trampling damage or throw it. Do not solder the battery directly and do not pierce it with a nail or other sharp object. After receiving the message, we will reply within 12-24 hours. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “ebikebatteryshop” and is located in this country: GB. This item can be shipped to United Kingdom.
  • Voltage & Capacity: 48V 20Ah (for 48V 200W~1500W Motor)
  • Item: Silver Battery+Black Rear Rack
  • Brand: ebikebattery
  • Model: YJ04
  • Colour: Silver
  • Voltage: 52V / 48V
  • Battery Capacity: 20Ah
  • Energy: 1040Wh / 960Wh
  • Material: Chinese G25 3C 8A 2500mah 3.7 Cell
  • Certification: CE,RoHS,MSDS
  • Part Type: Battery
  • Battery Type: Lithium Ion (Li-Ion)
  • Set Includes: Charger
  • Compatible Bike Type: Universal
  • Item Weight: ≈6.8KGS (52V)/ 6.4KGS (48V) (Battery net Weight)
  • Item Length: 430mm
  • Item Width: 160mm
  • Item Height: 85mm
  • Country/Region of Manufacture: China
  • Manufacturer Warranty: 1 year
  • Compatible Brand: BAFANG, Voilamart, CSC, Tongsheng, EBIKELING etc

52V 48V 20Ah Rear Rack Ebike Battery 1500W Electric Bike Battery Lithium Battery

E bike Conversion Kit 36V 250W 48V 500W 1000W 1500W Electric Bicycle Hub Motor

E_bike_Conversion_Kit_36V_250W_48V_500W_1000W_1500W_Electric_Bicycle_Hub_Motor_01_lbck
E bike Conversion Kit 36V 250W 48V 500W 1000W 1500W Electric Bicycle Hub Motor

E bike Conversion Kit 36V 250W 48V 500W 1000W 1500W Electric Bicycle Hub Motor
Conversion Kit NOT include tire. If you need a tire. Please order by this photo with. E bike wheel kit together, thank you. Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, France, Finland, Germany. Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal. Romania, UK, Slovakia, Slovenia, Spain, Sweden. Noted:Battery not included. 1 front or rear Motor wheel(20/24/26/27.5/28/29inch 700C). Display or LED display. 1 pair Power cut-off Brake lever. 1 set Twist Throttle. 1 Pedal Assistant Sensor. Conversion Kit not include tire. 36V 250/350/500W about 20-35km/hour. 48V 500W about 40-50km/h. 48V 1000W about 45-55km/h. (different wheel size, road&weather condition and rider’s weight will have different speed). Brushless gear Hub Motor for 36V. Brushless Non-gear Hub Motor for 48V. Rim: Double-wall Aluminium Alloy Rim. Wheel Bottom bracket: Rear 135mm-142mm or Front 100mm. 25-35NM for 36v 250W 350W 500W. 30-40NM for 500W 1000W. 320 for 36V 250W 350w. 350 for 36V 500W. 470 for 48V 500W 1000W. 540 for 48V 1500W. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “carbonspeedcycle” and is located in this country: CN. This item can be shipped worldwide.
  • Wheel: Rear wheel
  • Size: 26 nch
  • Power: 48V 1500W
  • Display: SW900 display
  • Colour: Black
  • Electric Bike Part Type: Conversion Kit
  • Type: Rear Front
  • For Bike Type: 48V
  • Brand: CSC

E bike Conversion Kit 36V 250W 48V 500W 1000W 1500W Electric Bicycle Hub Motor

48V 1500W 26” E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor

48V_1500W_26_E_Bike_Rear_Wheel_LCD_Motor_Conversion_Kit_Electric_Bicycle_Motor_01_jrr
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor

48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor
Specifications Wheel Material: Aluminum Color: Black Specific Uses For Product: Road Suspension Type: Rear Special Feature: Electric Voltage: 220V Output Voltage: 48V Power: 1500W Rotational Speed: 500rpm Torque: 50N. M Motor Speed: 55km/h Gross Weight: 12.5kg/27.56 lbs Net Weight: 11.5kg/25.35 lbs Package Size: 606023cm/23.6223.629.06″ Wheel Size: 26-inch Wheel Width: 209.5mm/8.25″ Wheel Diameter: 573mm/22.56″ Flywheel Diameter: 242mm/9.53″ Package Included 1 Motor Wheel 1 7-speed Flywheel 1 Controller 1 LCD Display 1 Ordinary Throttle 1 Pedal Assistant Sensor 1 Power-off Brake Lever 1 Controller Bag 1 English Manual All Accessories for Assembly. 48V 1500W 26” E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor. Are you an avid cyclist? Do you usually find it difficult to climb hills on a bike? Do you want to feel the wind? Are you looking forward to modifying your high-powered electric bicycle? Then you can’t miss our electric bike motor conversion kit. The conversion kit is made of a high-quality sensor and brake handles with high sensitivity to protect you during your ride. This professional and reliable conversion kit is a good choice for you. High-quality Material: The motor wheel is made of good performance aluminum material that is strong and durable. Every part of the conversion kit is made of high-quality workmanship, which makes it safe and durable. High Power: This product is equipped with a 1500W brushless and toothless gear motor, which is powerful and can reduce noise. Powerful Controller: This product is equipped with a powerful controller that is the brain of the electric bike to ensure the smooth operation of other components. It can help you ride, double the distance, and make the riding process easier! Two Types of Handlebars: This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a power-off brake handle that gives you a double guarantee of safety. Diverse Functions: This product has a five-speed adjustable, and also with fixed-speed cruise function. It can bring you an unprecedented riding experience. LCD Function: This LCD can show speed, mileage, power, and fault so that you can grasp the status of the bike in time. High-speed Riding: With a maximum motor speed of 55 km/h at no-load, you can enjoy the exciting experience of riding at high speed. Easy to Install : This kit includes a detailed manual. You just need to follow the manual steps and you can easily finish the bike conversion. It very saves your effort and mind. Guaranteed Customer Service: We aim to provide quality products and services. We will reply and solve the problem for you as soon as possible. Aluminum Rim : The rim of the electric wheel in this set is made of excellent aluminum, which is waterproof and anti-corrosion. The high-quality rim is more durable and extends its service life. Clear LCD Display : The LCD in this set is very clear. You can see the displayed speed, power, mileage, and other data very clearly. Pedal Assistant Sensor: This product has a sensor for pedal assist, which can sense the pedal cadence and adjust the motor turning rate accordingly. You can get the power assistant without holding the throttle. It is very great for a long-distance journey and can avoid wrist pain from constant pressing. Controller Bag: This set is equipped with a controller bag, which can store the controller. It is not only very convenient to store it but also very good-looking. This bike conversion kit fits 26-inch bikes. Specific Uses For Product: Road. Gross Weight: 12.5kg/27.56 lbs. Net Weight: 11.5kg/25.35 lbs. Package Size: 606023cm/23.6223.629.06. Wheel Width: 209.5mm/8.25. Wheel Diameter: 573mm/22.56. Flywheel Diameter: 242mm/9.53. 1 Pedal Assistant Sensor. 1 Power-off Brake Lever. All Accessories for Assembly. Please read the user manual carefully before use and pay special attention to the safety precautions included. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “serverbestitem” and is located in this country: DE. This item can be shipped to all countries in Europe.
  • Brand: Unbranded
  • Part Type: Rear Wheel
  • Voltage: 48 V
  • Manufacturer Warranty: 3 Years
  • Compatible Bike Type: E-Mini Bike

48V 1500W 26'' E Bike Rear Wheel LCD Motor Conversion Kit Electric Bicycle Motor

48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD

48V_1500W_26_Electric_Bicycle_Motor_Conversion_Kit_E_Bike_Rear_Wheel_LCD_01_vv
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD

48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD
48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD. Are you an avid cyclist? Do you usually find it difficult to climb hills on a bike? Do you want to feel the wind? Are you looking forward to modifying your high-powered electric bicycle? Then you can’t miss our electric bike motor conversion kit. The conversion kit is made of a high-quality sensor and brake handles with high sensitivity to protect you during your ride. This professional and reliable conversion kit is a good choice for you. High-quality Material: The motor wheel is made of good performance aluminum material that is strong and durable. Every part of the conversion kit is made of high-quality workmanship, which makes it safe and durable. High Power: This product is equipped with a 1500W brushless and toothless gear motor, which is powerful and can reduce noise. Powerful Controller: This product is equipped with a powerful controller that is the brain of the electric bike to ensure the smooth operation of other components. It can help you ride, double the distance, and make the riding process easier! Two Types of Handlebars: This bike conversion kit comes with two types of handlebars. In addition to the normal handlebar, there is also a power-off brake handle that gives you a double guarantee of safety. Diverse Functions: This product has a five-speed adjustable, and also with fixed-speed cruise function. It can bring you an unprecedented riding experience. LCD Function: This LCD can show speed, mileage, power, and fault so that you can grasp the status of the bike in time. High-speed Riding: With a maximum motor speed of 55 km/h at no-load, you can enjoy the exciting experience of riding at high speed. Easy to Install : This kit includes a detailed manual. You just need to follow the manual steps and you can easily finish the bike conversion. It very saves your effort and mind. Guaranteed Customer Service: We aim to provide quality products and services. We will reply and solve the problem for you as soon as possible. Aluminum Rim : The rim of the electric wheel in this set is made of excellent aluminum, which is waterproof and anti-corrosion. The high-quality rim is more durable and extends its service life. Clear LCD Display : The LCD in this set is very clear. You can see the displayed speed, power, mileage, and other data very clearly. Pedal Assistant Sensor: This product has a sensor for pedal assist, which can sense the pedal cadence and adjust the motor turning rate accordingly. You can get the power assistant without holding the throttle. It is very great for a long-distance journey and can avoid wrist pain from constant pressing. Controller Bag: This set is equipped with a controller bag, which can store the controller. It is not only very convenient to store it but also very good-looking. This bike conversion kit fits 26-inch bikes. Specific Uses For Product: Road. Gross Weight: 12.5kg/27.56 lbs. Net Weight: 11.5kg/25.35 lbs. Package Size: 606023cm/23.6223.629.06. Wheel Width: 209.5mm/8.25. Wheel Diameter: 573mm/22.56. Flywheel Diameter: 242mm/9.53. 1 Pedal Assistant Sensor. 1 Power-off Brake Lever. All Accessories for Assembly. Please read the user manual carefully before use and pay special attention to the safety precautions included. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “prtdealshop028″ and is located in this country: DE. This item can be shipped to United Kingdom.
  • Brand: Unbranded
  • Part Type: Rear Wheel
  • Voltage: 48 V
  • Manufacturer Warranty: 3 Years
  • Compatible Bike Type: E-Mini Bike

48V 1500W 26 Electric Bicycle Motor Conversion Kit E Bike Rear Wheel LCD

26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set

26_Rear_Wheel_Electric_Bike_Motor_48V_1500W_2000W_Conversion_Kit_Hub_Motor_Set_01_hc
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set

26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set
Full No-load Speed : 1500W / 2000W About 50-60km/h 2. Voltage : 48 V 3. Wheel Size : 26 inch 5. Fit Moto r: 48V 1500W 6. Wheel type : Rear Wheel 8. Brake Type : V-Brake / Disc Brake. 1500W / 2000W About 50-60km/h. V-Brake / Disc Brake. (Note: Weekends or holidays may be delayed). We will try our best to solve the matter with you. Our company has been built about 12 years, we have USA, UK, Australia, Canada and Germany warehouses. We have 30+ patents, sales to more than 25 countries. Every year we provide more than 300000+ reliable battery packs which value is more than 20 million USD for customers. Our company approved China National High-tech Industrialization Company in 2020. Our factory certified by ISO9001 and products have CE, UL, ROSH, UN38.3, MSDS certificates. Sorry that we will reply you late if we go off work, but we will respond you once we go to work. Hope to get your kindly understand and patience. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “ivho9350″ and is located in this country: GB. This item can be shipped to United Kingdom.
  • Model: 48V 2000W
  • MPN: Electric Bicycle Motor
  • Brand: Unbranded
  • Part Type: Motor
  • Voltage: 48 V
  • Number of Items: 1
  • Compatible Bike Type: Universal, E-Mountain Bike, E-City Bike, E-Folding Bike, E-Mini Bike, E-Cross Bike
  • Set Includes: Brake Set, Cables, Controller
  • Colour: Black
  • Battery Capacity: 1500W / 2000W
  • Battery Type: Lithium Ion (Li-Ion)
  • Material: Aluminium Alloy
  • Item Length: 59cm
  • Item Width: 24cm
  • Item Height: 59cm
  • Item Weight: 13kg
  • Energy: Electric
  • Compatible Brand: Universal
  • Manufacturer Warranty: 1 Year
  • Compatible Model: Universal
  • Country/Region of Manufacture: China
  • Wheel Size: 26 inch
  • Handlebar Type: Twist and Thumb Throttle
  • Wheel Type: Rear Wheel
  • Brake Type: V-Brake / Disc Brake
  • Name: Conversion Kit
  • Rated Speed: About 55~65km/h
  • Motor Type: Brushless Gearless hub motor
  • Spokes: 36H*12G
  • Wheel Bottom bracket: Front : 100mm , Gear : 135mm
  • Torque (N.M): 70
  • Rated Efficiency (%): ≥80
  • IP Grade: IP65
  • RPM: 414-487

26 Rear Wheel Electric Bike Motor 48V 1500W 2000W Conversion Kit Hub Motor Set

48V 52V 15Ah 1000W 1500W Shark Electric bike Lithium Ion Ebike E-bike Battery

48V_52V_15Ah_1000W_1500W_Shark_Electric_bike_Lithium_Ion_Ebike_E_bike_Battery_01_ezd
48V 52V 15Ah 1000W 1500W Shark Electric bike Lithium Ion Ebike E-bike Battery

48V 52V 15Ah 1000W 1500W Shark Electric bike Lithium Ion Ebike E-bike Battery
48V 52V 15Ah 1000W 1500W Shark Electric bike Lithium Ion Ebike E-bike Battery. Fully potted pack for the ultimate in battery protection. Each cell has its own fuse for ultimate in safety. Built in BMS with short circuit, over-current, over-heat, over-charge, over-discharge protection. Configure multiple functions: DC charging port, power display, safety lock, On/Off switch, 5 pins discharge connection. Short Circuit Safety Test v Overcharge Safety Test v Crush Safety Test v Needing Safety Test v Extrusion Safety Test v. Upgrade Traditional Hailong Case Height to 140mm, leave more space for cells, first choice for long range riding. 5 pins discharge port to instead of 4 pins for better connect. Battery can fit most motor kits, for example. Bafang, Voilamart, CSC, Tongsheng, ebikeling, etc. But exclude these four. Bosch, SHIMANO, Yamaha, Panasonic. Fit Motor Power: 52V or 48V 250W-1500W (Max Matching 1500W). Rated Capacity: 15 Ah. Watt Hours: 720Wh(4815)/. Cells: Built in Chinese Top A Grade 2500mah. Configuration: 13S 6P (136=78 cells)/. 14S 6P (146=84 cells). Cycle life: =80% Capacity After 800 Cycles. Battery Net Weight: about 5.0Kg. Standard Charge Current: 2A. Max Continuous Charge Current: 5A. Max Continuous Discharge Current: 30A/40A. Peak Discharge Current: 90A/120A. Charge Cut-off Voltage: 54.6V/58.8V. Discharge Cut-off Voltage: 36.4V/39.2V. Anderson connector(Along with Anderson to XT60 adapter line). 1pc Lithium Battery with Built-in BMS. 1pc Battery holder with 30CM discharge cable soldered Anderson connector. 1pc Charger With UK plug. 1pc Extra Anderson to XT60 adapter line. This battery uses the following Small Anderson connector. If u need other connectors, please make a note in your order, we will provide a adapter line to u for free. All orders will be handled in. Weekends and official holidays not included. To most UK addresses, it usually takes. Should meet all return requirements. Bought the product within one month. Return package should be complete, we will check the the package after receive it. For all electric bike batteries. After one month we can send BMS or cells to you for repair, or you can send it back to repair as well. Service for the following situation. The battery goes over water. The battery is broken man- made. Return the battery without reason. Open a case without contacting us. We will try our best to reply to you on Business Time. (except weekends and holidays). 6:00 p. (GMT+8) of Monday to Friday. We highly appreciate your understanding and patience! We promise will offer the most convenient. Way to make it right. We have professional technician to analyse your problem, provide the solution. Have professional maintenance point in US and DE, never worry about our. If the battery has a power switch, please open it during charging, can help to charge more full. The lithium battery can be charged at any time, it is not necessary that all energy is exhausted before charging. The battery should be used within a range of operating temperatures. Otherwise, there may be a loss of properties, leakage and / or rust. The rechargeable battery should be used within a short period of time after recharging, as the battery may self-discharge during prolonged storage. If long-term storage is required, the battery, which is 50% to 60% stored in a voltage range, is best because storage at higher voltage can result in loss of performance. Do not immerse the battery in water or seawater. Store the battery in a cool, dry environment. The battery should not be used near a heat source as a fire or heater. Use the charger specifically for charging. Do not interchange the position and the negative terminals. Do not connect the battery electrodes to a power outlet. Do not throw the battery in fire or heating. Do not short-circuit the battery by connecting the positive and negative poles directly to metal objects. Do not carry or store the battery with metal objects such as hairpins, necklaces, etc. Do not hit the battery, throw any trampling damage or throw it. Do not solder the battery directly and do not pierce it with a nail or other sharp object. This item is in the category “Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components”. The seller is “mxs-2020″ and is located in this country: GB. This item can be shipped to United Kingdom.
  • Voltage&Capacity&BMS: 52V 15Ah 40A BMS (For max 1500W motor)
  • Brand: mxs
  • Voltage: 48V/52V
  • Manufacturer Warranty: 1 year
  • Battery Type: Lithium Ion (Li-Ion)
  • Model: HN04
  • Part Type: Battery
  • Battery Capacity: 15Ah
  • Set Includes: Charger
  • Energy: 48v 15ah=720wh 52v 15ah=780wh
  • Material: 18650 Li-ion LiNiCoMnO2
  • Item Width: 90mm
  • Item Length: 368mm
  • Item Height: 140mm
  • Item Weight: 48v 15ah=5.0Kg 52v 15ah=5.2Kg
  • Certification: CE,RoHS,MSDS
  • Way of charge: CC/CV
  • Compatible Bike Type: Universal
  • Compatible Brand: BAFANG, Voilamart, CSC, Tongsheng, EBIKELING etc
  • Country/Region of Manufacture: China
  • Cycle Life: ≥80% Capacity After 800 Cycles
  • Colour: Black
  • Unit Quantity: 1
  • Number of Items: 48v 15ah= 65cells/78cells 52v 15ah=84cells

48V 52V 15Ah 1000W 1500W Shark Electric bike Lithium Ion Ebike E-bike Battery