... Iron Phosphate (LiFePo4) 48V 10AH LFP E-bike Battery and EV Battery PackSpecifications: Nominal Voltage48VNominal Capacity10AhInternal Resistance≤250mΩ1500 times ... (36V) in weight, 1/6 & 1/7 of the weight of traditional li-ion battery.2.Small volume, light weight, ... has superior tolerance on character of charge and discharge.6.Completely battery certificates ISO9001,ISO14001,BATSO ,CE,UL,ROHS,UN38.37 ...