EcoFlow DELTA Pro Smart Extra Battery

Double or triple your DELTA Pro's storage with this Smart Extra Battery. Connect one to bring total capacity to 7.2kWh, or add two for a massive 10.8kWh off-grid — enough to run essential appliances for days at a time.

The Extra Battery plugs directly into your DELTA Pro and recharges and discharges in tandem with it, whether you're charging from solar panels, an AC outlet, an EV charging station, or EcoFlow's Smart Generator.

Key Specs:

• Model: DELTA Pro Smart Extra Battery
• Capacity: 3600Wh
• Battery Chemistry: LFP (LiFePO4)
• Cycle Life: 6,500 cycles to 50% capacity / 3,500 cycles to 80% capacity
• Shelf Life: 1 year after a full charge
• Dimensions: 25 x 11.2 x 16.4 in. (63.5 x 28.5 x 41.6 cm)
• Weight: Approx. 84 lbs (38 kg)

Ideal for anyone who's outgrown a single DELTA Pro's capacity and wants more runtime without buying a whole second power station.