Ecoflow Ecoflow DELTA Max Smart Extra Battery, 2016Wh Capacity, Expand DELTA Max up <br /> to 6048Wh, Fast Charging, Extra Battery for Home Backup, Emergency, Outdoor <br /> Camping or Travel (3YRs WRTY)

[Extra 2016Wh Capacity] - Expand DELTA Max’s capacity up to 6048Wh with two DELTA Max Smart Extra Batteries, giving you more backup power during emergencies. [Customizable Power] - Add up to two extra  batteries to the DELTA Max portable power station, making it a perfect outdoor generator for camping or off-grid travel. [Charge Up In Less Than 2 Hours] - Charge the DELTA Max battery power station and an extra battery in less than 2 hours with 3600W charging speeds. [Multiple Ways To Charge] - DELTA Max is more than a solar power station, charge up with an AC wall outlet, a car, or the EcoFlow Smart Generator. [Power Almost Anything] - A power generator that can power 99% of your devices and supports up to 13 devices at the same time.