A lithium battery for RV can support the electrical needs of travel trailers while reducing battery weight. Epoch LiFePO4 batteries are available in multiple capacities, from 50Ah to 460Ah, and can be selected in 12V, 24V, or 48V configurations. Their lithium chemistry offers approximately twice the usable capacity of lead-acid batteries while weighing about half as much. Some models ... https://www.epochbatteries.com/collections/rv-van-camper-lithium-batteries