Home emergency power DELTA Max expands up to 6kWh with smart extra batteries, keeping your home powered on in any emergency. Rapid dual charging Charge up from 0-80% in 65 minutes. Or get up to 3400W speeds by combining AC charging and the EcoFlow Smart Generator. Power multiple devices Looking for something to power heavy-duty devices like your fridge and dryer? With X-Boost, DELTA Max handles devices up to 3400W with ease. Portable solar generator Stay powered on no matter what. DELTA Max connects with up to 2x 400W EcoFlow solar panels to deliver 800W Max solar charging speeds.