The EcoFlow DELTA Pro Smart extra battery doubles the capacity when connected to an EcoFlow DELTA Pro portable power station.This can have the effect of you increasing the batteries capacity from 3600Wh (standard) to 7200Wh (DELTA Pro x 1 Smart Extra Battery) or a huge 10800Wh with 2 X Smart Extra Batteries.Each EcoFlow DELTA Pro Smart Extra Battery has a 3600Wh capacity. Features: Battery capacity 3.6kWh Doubles the capacity of the EcoFlow DELTA Pro Can increase the batteries capacity from 3.6kWh to 10.8kWh (x2) Silent & zero emissions rechargeable LFP battery Fast charging via mains, 12v car adapter or solar panel (optional) Specifications: Dimensions: H:41.6 x W:63.5 x D:28.5 cm Colour: Black Guarantee:2 years Material: Plastic Casing / Aluminium Chassis Model Number: ECODPEB
