EcoFlow DELTA Pro Smart Extra Battery — Add 3600Wh of LFP Capacity to Your DELTA Pro
The DELTA Pro Smart Extra Battery is a plug-and-play capacity expansion that adds 3600Wh to your DELTA Pro, scaling total capacity to 7.2kWh — or up to 10.8kWh with a second battery. Connect it once and it charges and discharges in sync with your DELTA Pro across all supported charging methods.
⚠ Compatibility. This battery is compatible with the DELTA Pro only. The DELTA Pro supports a maximum of two Smart Extra Batteries at a time.
⚠ Standalone Charging. When not connected to a DELTA Pro, this battery can only be charged via the EcoFlow Smart Generator. All other charging methods require it to be connected to a DELTA Pro power station.
Key Features
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Adds 3600Wh to Your DELTA Pro — Expands from 3.6kWh to 7.2kWh; add a second battery for up to 10.8kWh total capacity
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LFP Battery Chemistry — 6,500 cycles to 50% capacity; 3,500 cycles to 80%; estimated 10-year lifespan with daily use
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Plug-and-Play Setup — No configuration required; charges and discharges in sync with DELTA Pro across all supported charging methods
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Full MultiCharge Support — Benefits from all DELTA Pro charging methods, including 6500W MultiCharge, when connected to the station
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EcoFlow App Control — Monitor and control the battery remotely via the EcoFlow app
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5-Year Full Warranty — One of the most comprehensive warranties in the portable power category
Specifications
| Specification |
Detail |
| Capacity |
3600Wh |
| Battery Chemistry |
LFP (LiFePO4) |
| Cycle Life |
6,500 cycles to 50% capacity; 3,500 cycles to 80% capacity (~10-year lifespan) |
| Weight |
Approx. 84 lbs / 38 kg |
| Dimensions (L×W×H) |
25 × 11.2 × 16.4 in / 63.5 × 28.5 × 41.6 cm |
| Compatible Models |
DELTA Pro only |
| Max Batteries per Station |
2 (total capacity up to 10.8kWh) |
| Charging (when connected) |
All DELTA Pro charging methods supported, including 6500W MultiCharge |
| Standalone Charging |
Via EcoFlow Smart Generator only (without DELTA Pro connected) |
| App Control |
EcoFlow app — monitor and control remotely |
| Warranty |
5-Year Full Warranty |
