... Phosphate (LiFePo4) 48V 10AH LFP E-bike Battery and EV Battery PackSpecifications: Nominal Voltage48VNominal Capacity10AhInternal Resistance≤250mΩ1500 times ... 1/6 & 1/7 of the weight of traditional li-ion battery.2.Small volume, light weight, high specific energy: soft ... packing with aluminum foil composite film on lithium-ion polymer battery, smaller , lighter,,higher specific energy than other ...