The EcoFlow Wave 2 battery provides extra output ports, including USB-C and USB-A, allowing you to power a wide range of devices without the need for adaptors. The battery itself can be charged using multiple methods, including solar panels, AC power, and car charger, providing flexibility and convenience on the move. Whether you're charging electronics, lighting, or small appliances, the EcoFlow Wave 2 Add-On Battery ensures you're fully equipped for your camping adventures._For use with the EcoFlow WAVE 2 Portable Air ConditionerCapacity: 1159WhMax Output: 820WExtra USB-C 100W portExtra USB-A 18W port800 cycles to 80%+ capacityBattery Chemistry: NCMDetachable designCarry or stow awayDimensions: Dimensions 515 x 272 x 92mmWeight: 7.8kg