With 40.96kWh storage, this 200ah lithium battery powers ACs, microwaves and fridges seamlessly for solar off-grid living. 🍃【Lightweight & Long-Lasting for RV & Marine】As a premium 12v deep cycle marine battery and RV power solution, this 12 volt lithium battery 200ah weighs only 1/3 of a 130lb lead-acid battery but has 4x the energy density.