48V 52V 17.5Ah Lithium Ion Ebike Battery Electric Bike Bicycle E-bike Battery. CBC battery can fit most motor kits, for example: Bafang, Voilamart, CSC, Tongsheng, EBIKELING, etc. But exclude these four: Bosch, SHIMANO, Yamaha, Panasonic. Built in BMS with short circuit, over-current, over-heat, over-charge, over-discharge protection. These battery packs use original Samsung 35E Cells highest quality up to 10A constant discharge, long runtime, deep discharge recover, extended service life and superb performance. It has a great cycle life. 80% Capacity After 1000 Cycles. (No spill or leak problems). Fully potted pack for the ultimate in battery protection. Each cell has its own fuse for ultimate in safety. Each pack have ran through a full charge and discharge test in produce, to make sure you are getting every amp hour you paid for. 5 pins dischage port. To instead of 4 pins for better connect. Battery internal bracket upgrade: Added bracket when organizing cells, increased batttery safety, heat dissipation, stability.. Battery case upgrade: The tail of this case adopts latest wavy design, is more suitable for most bicycle frame. Case material also upgrades, is much stronger than market traditional hailong battery. Battery mount base upgrade: Added one more mounting hole for easier installation and fit for more ebike models. Reduce the controller space to increase battery cell space to get more capacity. Simple design, beautiful and easy to install. The illuminated battery LED power indicator. Know the power level in real time. Use key lock to secure the battery to the bicycle frame to prevent theft. On/Off switch that controls battery discharge. 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 connector. 48V 17.5Ah 30A BMS Specifications. Fit Motor Power: 48V 250W-1000W (Max Matching 1000W). Rated Capacity: 17.5Ah. Watt Hours: 840Wh(487.5). Cells: Built in Original Samsung 35E 3500mAh cells. Configuration: 13S 5P (135=65 cells). Cycle life:? 80% Capacity After 1000 Cycles. Battery Net Weight: about 4.25Kg. Standard Charge Current: 2A. Max Continuous Charge Current: 3A. Max Continuous Discharge Current: 30A. Peak Discharge Current: 90A. Charge Cut-off Voltage: 54.6V. Discharge Cut-off Voltage: 36.4V. 52V 17.5Ah 40A BMS Specifications. Fit Motor Power: 52V or 48V 250W-1500W (Max Matching 1000W). Watt Hours: 910Wh(5217.5). Configuration: 14S 5P (145=70 cells). Battery Net Weight: about 4.5Kg. Max Continuous Discharge Current: 40A. Peak Discharge Current: 120A. Charge Cut-off Voltage: 58.8V. Discharge Cut-off Voltage: 39.2V. 1pc Lithium Battery with BMS. 1pc Charger With UK plug. 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.