Ebike Lithium battery 36V 48V 60V 25Ah for 50W2000W Electric Scooter 3A Charger. We will actively handle after-sales. 2 Month Return Support. Built with high quality BMS Board for Safety protection. Over charge protection//Over discharge protection//over voltage protection//over current protection// short circuit protection// temperature protection. To full charge the battery, please turn on the battery while charging. ON/OFF Switch: “o” is power off, “-” is power on. 36V 20Ah(10S8P) 50W-500W motor. Max Constant Discharge Current: 20A(BMS). 48V 20Ah(13S8P) 50W-2000W motor. Max Constant Discharge Current: 50A(BMS). Size/Weight: 22015070MM (5.2kg). Charger: 54.6V 3A. 48V 40Ah(13S1P) 50W-2000W motor. Max Constant Discharge Current: 60A(BMS). Charger: 54.6V 4A. 48V 50Ah(13S1P) 50W-2000W motor. 52V 20Ah(14S8P) 50W-1500W motor. Max Constant Discharge Current: 40A(BMS). Charger: 58.8V 3A. Discharge: XT60(Including Male&Female). 60V 25Ah(16S10P) 50W-2200W motor. Max Constant Discharge Current: 100A(BMS). Learn more about lithium battery pack. Pls look at the number of strings and parallels of the battery pack. And also capacity of a single cell. G : it writes “7P each, each cell is 2500mah “, but the title writes ” 48V 20Ah “, that must be deceiving consumers, because 72.5=17.5Ah. Welding process of the battery pack decide. Whether a company’s is professiona l. Good battery welding should be neat electric weld, clearly designed routing direction. A good welding process will improve battery performance and safety. Rough craftsmanship will bring many hidden dangers. 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!