The 52V 50AMP 8.4AH Rechargeable 21700 Lithium E-Bike Battery is a high-performance lithium-ion battery designed for use in electric bikes. It is made from 100% new cells and is available in several different configurations, with rated voltages of 36V, 48V, and 52V and rated capacities ranging from 13ah to 20.4ah. The battery is built using 18650 3.7V 2500mah cells and features a standard charge current of 2A, although this can be customized to suit specific requirements.
The battery is capable of delivering a maximum discharge current of 51A and has a cycle life of more than 1000 times. It can be charged using the constant current, constant voltage charge method, and is available in three different sizes: Polly DP-9 367mm x 141mm x 90mm, Polly DP-5/5C 368mm x 96mm x 90mm, and Polly DP-6/6C 368mm x 112mm x 90mm. The battery weighs about 5KG and can be charged at temperatures between 045°C, while the discharging temperature ranges between -2060 °C. The battery also features protection against overcharging, overdischarging, overcurrent, short circuits, and other hazards.