Vans converted for travel often have limited space and strict weight considerations. Lithium RV batteries can help provide onboard energy while keeping the battery system relatively lightweight. Epoch’s LiFePO4 range includes 12V, 24V, and 48V options with capacities from 50Ah to 460Ah. These batteries can deliver approximately twice the usable capacity of comparable lead-acid options... https://www.epochbatteries.com/collections/rv-van-camper-lithium-batteries