Group 31 Battery Weighing only 21.6 lbs, LiFePO4 12V 100Ah battery is two-thirds lighter than traditional 100Ah AGM batteries,which weigh 63.9 lbs. 25% Size Reduction,Equivalent 1.28kWh Energy: 12V 100Ah LiFePO4 lithium battery is compact yet powerful, with 1.28kWh of energy capacity and a 40% increase in energy density.
eBay