Dometic 40 Hour Portable Lithium BatteryThe Dometic Portable Lithium Battery delivers high levels of power on the go. Provides up to 40 fours of FX 40W cooling on a single charge. Its compact and lightweight design makes it easy for off the grid travel and independence! Designed for powering electric coolers and other 12V appliances.Features: Off the grid power; Great for powered coolers and 12V appliances; Provides up to 40 hours power om one charge; Specifications: Size: 7.76" D x 10.02" H x 7.76" W; Input Voltage: 12DC; Output Voltage: 12V; Output Current: 15A; Rated Battery Capacity: 40Ah; IP Class: IP44; Battery Type: Lithium Iron Phosphate; Operating Temperature Min: 32 F (0 C); Operating Temperature Max: 122 F (50 C); Click here to download Dometic 40 Hour Portable Lithium Battery Operating Manual