UPP 60V 52V 48V 36V 20Ah Lithium battery Pack for Electric Bike E-bike W/Charger. High energy density? Our Ebike lithium batteries have high energy density, which means they are capable of storing large amounts of electrical energy in a relatively small size and weight. Therefore, it can travel longer distances on a single charge, improving driving efficiency and convenience. Design Features? The LED power indicator on the body can remind you to charge on time. And equipped with a safety lock to prevent theft. 25A/40A/50A/60A BMS:can effectively protect the battery and make it safer. Waterproof case:Reduces the possibility of damaging the internal battery. With battery base, easy to install. The discharge connector is XT60 style and there is also extra XT60 adapter inside the parcel. Long cycle life? Lithium batteries generally have a long service life and cycle life, and can withstand thousands of charge and discharge cycles without losing much capacity. This makes them a solid choice for long-term investment, reducing the frequency of battery replacement and maintenance costs. And finally choose the battery that fits for your bike. Charging note: Please connect the charger to the battery first, then connect the charger to the power supply. 4.5kg(9.92lbs). 4.64kg(10.23lbs). (14.37×3.54×4.33inch). (14.57×3.82×4.72inch). 72V 19.2Ah(20S4P). 5.9kg(13.01lbs). (14.56×3.74×5.9inch). (16.01×14.38×9.44×3.34). 1 x Lithium Battery with ABS case(Base discharge). 1 x 2A/5A Fast Charger. 1 x Mounting Fixed Plate. Suitable for most electric bicycles, for example: Bafang Voilamart AW Tongsheng. But except Bosch, SHIMANO, Yamaha and Panasonic. 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!