A 100Ah LiFePO4 battery like the DEESPAEK 12V model can power a 600W load for approximately 1.5–2 hours under ideal conditions. This calculation factors in the battery’s usable capacity (90% of 1280Wh = 1152Wh), inverter… How Long Will a 100Ah Battery Run 600W? A Comprehensive Analysis of the DEESPAEK 12V LiFePO4 Battery