DELTA 2 expands up to 2048Wh with smart extra battery, keeping your home powered on in any emergency. DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy. Charge up with DELTA 2 from 0-80% in 80 minutes and 0-100% in 130 minutes with AC input. Get extra storage for accessories conveniently, saving space at home or on the go. DELTA 2 fits with every port you'll ever need to power any devices anywhere, so you will always feel right. Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery's status anywhere from the EcoFlow app. Features Ecoflow DELTA 2 expands up to 2048Wh with smart extra battery EcoFlow DELTA 2 and Extra Battery charge and discharge in unison. Charge up with DELTA 2 from 0-80% in 80 minutes and 0-100% in 130 minutes with AC input. EcoFlow DELTA 2 fits with every port you’ll ever need to power any devices anywhere, Check battery percent, remaining recharge time, hours left, and more on the built-in screen or the EcoFlow app. Internal storage compartment for accessories conveniently, saving space at home or on the go.