Description: Stay off-grid longer with the Dometic PLB40 Portable Lithium Battery 40Ah by Buick Accessories. It delivers high levels of mobile power ? up to 53 hours of Dometic CFX3-45 cooling on a single charge (hours may vary based on cooler size and environmental conditions). Designed for powered coolers and other 12V appliances. Non-GM warranty. Limited warranty by Dometic, 5 years. For more information, contact your dealer.