Keep your Dometic CFX Cooler charged all weekend with the Dometic 40 AH Portable Lithium Battery. The LCD screen shows charging status and output for easy use. The battery has USB ports and 3-way charging. FEATURES: Powers electric coolers and other 12V appliances Specifically designed for Dometic CFX and other powered coolers Powerful battery cells provide 512 Wh of energy, 40 Ah Lightweight and compact design Powers the CFX for a weekend or longer Rapid charge with built-in 8A charger Three-way charge via 12V socket, Solar Panel or AC house power USB Ports for charging mobile devices Power is supplied by integrated lithium iron phosphate (LiFePO4) battery cells Ergonomically designed stainless steel handle for carrying Integrated LCD display shows battery capacity, charging/discharging status and output status SPECS: Dimensions: 7.76” D x 7.76” W x 10.02” H Weight: 16.10 lbs.