Price range: $949 through $1,849
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The EcoFlow DELTA 2 Max Smart Extra Battery is designed to expand the capacity of your DELTA 2 Max Portable Power Station. By connecting one or two additional units, you can increase total storage up to 6144Wh, giving you more power for longer runtimes whether at home, outdoors, or during emergencies.
Extended Runtime – Doubles the capacity of your DELTA 2 Max, with support for up to two extra units.
Synchronized Charging – Charges and discharges together with the main DELTA 2 Max when powered by solar, AC outlets, vehicles, or the EcoFlow Dual Fuel Smart Generator.
Independent Recharging – Can recharge directly from EcoFlow’s Smart Generator without being connected to the DELTA 2 Max.
Smart Monitoring – Built-in LCD display shows charge status, runtime estimates, and more. Full control and monitoring available through the EcoFlow mobile app.
| Capacity | 2,048Wh |
| Battery Chemistry | LFP (LiFePO4) |
| Cycle Life | 3,000+ cycles to 80% capacity |
| Extra Battery Port Input | 51.2V, 2,000W Max (X-Stream and solar dual charging) |
| Extra Battery Port Output | 51.2V, 3,200W Max |
| Optimal Operating Temperature | 20°C–30°C (68°F–86°F) |
| Charging Temperature | 0°C–45°C (32°F–131°F) |
| Discharging Temperature | -10°C–45°C (14°F–113°F) |
| Storage Temperature | -10°C–45°C (14°F–113°F) (Optimal: 20°C–30°C / 68°F–86°F) |
| Product Height | 11 in (283 mm) |
| Product Length | 18 in (464 mm) |
| Product Width | 9 in (235 mm) |
| Product Weight | 42 lbs (19 kg) |
| Protection Types | Over Voltage, Overload, Over Temperature, Short Circuit, Low Temperature, Low Voltage, Overcurrent |
EcoFlow DELTA 2 Max Smart Extra Battery
DELTA 2 Max Extra Battery Cable
User Manual
Warranty Card
| 5 star | 0% | |
| 4 star | 0% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
Sorry, no reviews match your current selections
The EcoFlow DELTA 2 Max Smart Extra Battery is designed to expand the capacity of your DELTA 2 Max Portable Power Station. By connecting one or two additional units, you can increase total storage up to 6144Wh, giving you more power for longer runtimes whether at home, outdoors, or during emergencies.
Extended Runtime – Doubles the capacity of your DELTA 2 Max, with support for up to two extra units.
Synchronized Charging – Charges and discharges together with the main DELTA 2 Max when powered by solar, AC outlets, vehicles, or the EcoFlow Dual Fuel Smart Generator.
Independent Recharging – Can recharge directly from EcoFlow’s Smart Generator without being connected to the DELTA 2 Max.
Smart Monitoring – Built-in LCD display shows charge status, runtime estimates, and more. Full control and monitoring available through the EcoFlow mobile app.
| Capacity | 2,048Wh |
| Battery Chemistry | LFP (LiFePO4) |
| Cycle Life | 3,000+ cycles to 80% capacity |
| Extra Battery Port Input | 51.2V, 2,000W Max (X-Stream and solar dual charging) |
| Extra Battery Port Output | 51.2V, 3,200W Max |
| Optimal Operating Temperature | 20°C–30°C (68°F–86°F) |
| Charging Temperature | 0°C–45°C (32°F–131°F) |
| Discharging Temperature | -10°C–45°C (14°F–113°F) |
| Storage Temperature | -10°C–45°C (14°F–113°F) (Optimal: 20°C–30°C / 68°F–86°F) |
| Product Height | 11 in (283 mm) |
| Product Length | 18 in (464 mm) |
| Product Width | 9 in (235 mm) |
| Product Weight | 42 lbs (19 kg) |
| Protection Types | Over Voltage, Overload, Over Temperature, Short Circuit, Low Temperature, Low Voltage, Overcurrent |
EcoFlow DELTA 2 Max Smart Extra Battery
DELTA 2 Max Extra Battery Cable
User Manual
Warranty Card
| 5 star | 0% | |
| 4 star | 0% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
Sorry, no reviews match your current selections
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Reach us via email for assistance. Please allow up to 24 business hours for a response.
Chat live with a real member of our team for immediate product or order assistance.
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