LiFepo4 Batteries only 40% the weight of a comparable lead acid battery, while offers up to 20 times longer cycle life and 5 times longer float/calendar life than lead acid battery. They are available to be customized to different battery voltage and capacity, 12.8V LiFepo4 Batteries, 25.6V LiFepo4 Batteries, 51.2V LiFepo4 Batteries, from 20Ah LiFepo4 Batteries to 3000Ah LiFepo4 Batteries. Welcome to contact us!