Ameec Shenzhen Technology Co.,Ltd, with professional ebike battery factory, is a best China ebike battery, electric bike battery, external battery pack, rechargeable battery pack, external laptop battery, extra battery power manufacturers and suppliers. We are always at your service. eBike battery Type: Pack Chemistry: Li-ion Nominal Voltage (V): 24v Capacity (mAh): 8000 Max Continuous Discharge Current: 40A Max Discharge Current: 80A Battery Charging Current: 2A Weight: 5kg Dimensions: 40*15*300px Avg. Temperature Ranges for Charging: <55℃ Discharging: 45℃ Storage: 25±5℃ PCB/Pack Protection(for single cell voltages): Over Charge Cutoff Voltage: 4.35 ± 0.025V We have two types of battery cell for the pack: 18650 lithium battery andlithiumpolymer battery. As for the raw material of the battery cell, we canuse NCM or LiFePO4 according to customer’s specification. Comparedto NCM, LiFePO4 has longer cycle life and is more safer, but of course the cost would be higher.We will prepare detail proposals for our customeraccording to their specification.