LiFePO4 provide 3.6KWh battery Pack kit which is perfect for building your own power bank for caravans, RV’s, Motorhomes or Electric Vehicle conversions. LiFePO4 are around half the weight as AGM or Lead Acid batteries with higher charge cycles. They are also more stable than other Lithium Iron (Li-ion) batteries. We also have 24V, 36V & 48V batteries,