At just 4.4lbs, it’s less than half the weight of traditional 12lb sealed lead acid(12V20AH/20hr) batteries that. Wide Compatibility – Enjoy quiet and stable energy from the HWE Energy 12.0V 20Ah LiFePO4 battery, compatible with models like 12200 20-12 series SLA batteries, UB12200, FM12200, 6FM20, ML22-12, ML18-12, DJW12-20, and more.