"LiFePO4 battery Australia" Pack is a 48Volt (51.2V) 130 (Ah) Amp Hour, 6.24 (KWh) Kilo Watt Hour which has total dimensions of approx 147wh x 60h x 720d (mm),These are Grade A, Brand New Batteries, Matched cells.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. Get full detailed information on the website.