10 Years of Long-Lasting Power: Anker 521 Portable Power Station is built to last over a decade, even with everyday use with our InfiniPower technology. InfiniPower combines LiFePO4 batteries with ultra-durable electronics, a control system that monitors temperature up to 100 times per second, and an impact-resistant build. USB-C Port Built In: Ditch bulky adapters and use a single cable for fast charging your laptop with the built-in USB-C port. It's compatible with a wide range of other devices, too. 600W of Upgraded Power: Anker 521 Portable Power Station uses SurgePower to run high-wattage appliances up to 600W. 256Wh Capacity for Weekend Trips: When you're getting away for the weekend, bring Anker 521 Portable Power Station to charge your devices and small appliances, up to 256Wh. 6 Ports for More Charging: Plug in 6 devices or appliances for your weekend getaway. The power station comes with 2 AC ports, 2 USB-A ports, a USB-C port, and a car outlet. What You Get: Anker 521 Portable Power Station (PowerHouse 256Wh), DC adapter, car charging cable, welcome guide, our worry-free 5-year warranty, and friendly customer service.