Ameec Shenzhen Technology Co.,Ltd, with professional emergency light battery factory, is a best China emergency light battery, battery depot, 9v rechargeable battery, 12v rechargeable battery pack manufacturers and suppliers. We are always at your service. Emergency Light Battery Type: Pack Chemistry: Li-ion Nominal Voltage (V): 3.7v Capacity (mAh): 10000 Max Continuous Discharge Current: 10A Max Discharge Current: 10A Battery Charging Current: 2A Weight: 3kg Dimensions: 25*5*162.5px 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.