We only source high quality A-grade cells from. Official sources (never use fake or cheap cell pack sell at lowest price to attract buyers). Design and assemble all batteries in our own factory. Each pack is ran through a full charge and discharge test before leaving our facility to make sure you are getting every amp hour you paid for.Each Battery is fully automatic built in battery protection system (BMS). Prevent the battery from overcharging, overdischarging, and short circuit. We don't take chances when it comes to our batteries or your safety! Certified by ISO9001, and most batteries have UN38.3, MSDS, CE, ROHS certification. Cooperate with many brand cell manufacture to ensure the battery quality. Xport to European, American, Australia, South Asia and other market. Tesla 21700 4800mah (produced by Panasonic). 54.6 V2A, EU Plug. CC/CV(Constant Current;Constant Voltage). Our battery can fit most motor kit, for example: Bafang, Voilamart, Tongsheng, but exclude these four. Any quality problem after two months, we can send BMS/Charger/battery case /cells etc for you to repair. Or can send it back for free repair.
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 positive 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 "uppbattery" and is located in this country: DE.
This item can be shipped to all countries in Europe.