Expandable CapacityExpand the DELTA 2 up to 2048Wh with the EcoFlow DELTA 2 Smart Extra Battery, keeping your home powered in any emergency. Convenient RechargingThis Extra Battery and the DELTA 2 charge and discharge in unison. Recharging from portable solar panels, AC outlets, or the EcoFlow Smart Generator is easy. Fast RechargingCharge up with DELTA 2 from 0-80% in 80 minutes and 0-100% in 130 minutes with AC input. Internal Storage CompartmentGet extra storage for accessories conveniently, saving space at home or on the go. Power Multiple DevicesDELTA 2 fits with every port you'll ever need to power any devices anywhere, so you will always feel right. Control from AnywhereGet 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. Charge with DELTA 2 from 0 to 100% in 130 minutes with AC input Internal storage compartment for accessories Check battery status from anywhere with the EcoFlow app | Ecoflow Technology Ltd EcoFlow DELTA 2 Smart Extra Battery