Abhinav Mundra Educational 180Ah Lead-Acid Battery to Lithium: Why a 100Ah LiFePO4 Inverter Replaces It A 180Ah tubular battery gives under 1,000 usable Wh. A 12.8V 100Ah LiFePO4 inverter gives 1,024 to 1,280. The maths, cycle life and sizing steps. Read More