The Companion Rover Lithium 40Ah Power Station is ideal for powering 12V portable fridge/freezers and other items around your campsite. The lightweight functional design and LCD display offer a powerstation like no other! It has it all from battery protection management system to multiple output charging options; 12V socket, USB/USB C, Anderson and 2-pin output. Built in MMPT Controller for Direct Solar Charging with a 40AH Lithium LiFePO4 Battery and the ability for 3 Way Charging AC, DC or Solar this unit is above the rest