UPP 35Ah 48V 52V 60V Ebike battery Lithium Pack for 02000W Electric Bike Bafang. ?? Strength guaranteed? Our company have Professional production of lithium battery pack, lifep04 battery pack more than 10 years. Have Professional Warehouse and Repair office on America, Germany, United Kingdom. More 5000pcs battery pack stock on each warehouse. Sometimes have quality problem of the battery, but we will be serious and responsible and solve the problem in time. We have the strength and ability to solve customers’ problems. ?? Long Range& Ergonomic Design? Battery for an incredibly long range, Lightweight approximately 12 pounds;? It’s easy to remove and install, charge at home or bike? The Safe Lock prevents the battery from being stolen? The Power switch can avoid wasting power. ?? Safety & Convenient? High quality electric cells and built-in a 40A BMS protective plate, prevent over charge, over discharge, over current and short circuit and ensure the long life expectancy. If can’t repair, Could resend new battery. 48V 33.6AH (13S 7P) for 48V 100W-1500W motor. Nominal Voltage: 48V Rated Capacity: 33.6Ah Battery Cell. Max Constant Discharge Current: 40A (BMS) Charger: 54.6V 3A Higher Size: 381183167mm Discharge Port: XT60 (Female& Male). 52V 28.8AH (14S 6P) for 52V/48V 100W-1600W motor. Nominal Voltage: 52V Rated Capacity: 28.8Ah Battery Cell. Max Constant Discharge Current: 40A (BMS) Charger: 58.8V 3A Higher Size: 381183167mm Discharge Port: XT60 (Female& Male). 60V 24AH (16S 5P) for 60V 100W-2000W motor. Nominal Voltage: 60V Rated Capacity: 24Ah Battery Cell. Max Constant Discharge Current: 50A (BMS) Charger: 67.2V 3A Higher Size: 381183167mm Discharge Port: XT60 (Female& Male). Why Choose UPP (Gurantee Real Capacity). We assemble ALL our batteries in our factory, using custom parts we design and then manufacture on our own CNC machines. We only source genuine A-grade genuine cells from the official sources. Every cell in the pack is fused. Item Location: London, UK and Westhausen, Germany. 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. After one month we can send BMS or cells to you for repair, or you can send it back to repair as well. 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. The battery goes over water. The battery is broken man- made. The cells are burnt out after using. Return the battery without reason. Open a case without contacting us. Note Before Order : Our battery can fit all motor kit, but exclude these four : Bosch, SHIMANO, Yamaha , Panasonic. We highly appreciate your understanding and patience! Thank you so much for your order! Our first goal is to make you 100% happy!