Ameec Shenzhen Technology Co.,Ltd, with professional ups batteries factory, is a best China battery pack, battery store, best power bank, laptop batteries, portable power bank manufacturers and suppliers. We are always at your service. UPS batteries Type: Pack Chemistry: Li-ion Nominal Voltage (V): 12.6v Capacity (mAh): 20000 Max Continuous Discharge Current: 60A Max Discharge Current: 120A Battery Charging Current: 5AWeight: 10kg Dimensions: 50*30*875px 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.