Antigravity Batteries | Premium Battery Charging & Maintenance Solutions. Works with 6V / 12V Lithium and 12V Lead/Acid batteries. Battery Types 6V / 12V Lithium (LiFePO4/LFP), 12V Lead/Acid. It works with6V and 12V Lithium (LiFePO4/LFP) batteries and12V Lead/Acid batteries including AGM, STD, GEL, WET, FLA, and VRLA.