Introducing the Anker Expansion Battery 760, a long-lasting and portable power station built to last over a decade with everyday use thanks to InfiniPower™ technology, LiFePO4 batteries, ultra-durable electronic components, and a smart temperature control system that monitors temperature up to 100 times per second. Double the power with a combined capacity of 4096Wh by using it with Anker PowerHouse 767. Safety is a top priority with a drop-proof unibody design, electronic components with a 50,000-hour lifespan, and a ventilation grille for better heat dissipation. The 760 Expansion Battery also includes a 5-year full-device warranty for a guaranteed, worry-free experience. You’ll receive the Anker 760 Portable Power Station Expansion Battery (2048Wh), user manual, battery-to-host cable, and friendly customer service. Check out the specs, including a rated capacity of 51.2V 40,000mAh/2048Wh, LiFePO4 batteries, and a net weight of 20.7kg/45.6lb.