Expandable Capacity
This add-on battery connects with a DELTA Pro to double the total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid.
Convenient Recharging
Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem.More watt-hours at home The Extra Battery can be integrated to your home’s wiring when connected to DELTA Pro. These battery units become part of your home’s peak shaving and emergency power solutions.
Ready for Emergencies
This Extra Battery can recharge directly from EcoFlow’s Smart Generator outdoors, giving you another option for emergencies.
LCD Screen
Get 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.
DELTA Pro Extra Battery
1. DELTA Pro Smart Extra Battery
2. DELTA Pro Extra Battery Cable
3. Handle Cover
4.User Manual
- Weight: Approx. 84lbs / 38kg
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Capacity: 3600Wh
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Dimension: 25 x 11.2 x 16.4 in / 63.5 x 28.5 x 41.6 cm
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Battery Cycle Life: 6,500 cycles to 50% capacity, 3,500 cycles to 80% capacity
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Shelf Life: 1 year (after a full charge)