EcoFlow DELTA 2 Max Smart Extra Battery EFDELTA2MaxEB
Increase the capacity of the Delta 2 Max by an extra 2046Wh! Triple the power with the 2-6kWh expandable capacity to fit your energy storage needs. Add up to two Delta 2 Max Smart Extra Batteries to the Delta 2 Max to hit a capacity of 6144Wh. Ideal for home backup, RVing, outdoors or even everyday use.
No Fumes, No Noise, No Maintenance
- Fume Free: Since batteries don't burn fuel, they don't produce emissions or fumes, making them a clean and eco-friendly alternative to gas systems.
- Quiet: Without internal noisy combustion engines, Delta 2 Max batteries are extremely quiet, even when charging.
- Maintenance-Free: There's no fuel to refill, no filters or fluids to change or mechanical parts that need constant maintenance.
- Compatible with Delta 2 Max Portable Power Station.
- Increase the capacity of the Delta 2 Max by an extra 2046Wh.
- 2-6kWh expandable capacity to fit your energy storage needs. Add up to two Delta 2 Max Smart Extra Batteries to hit a capacity of 6144wh. Ideal for home backup, caravanning, outdoors or even everyday use.
10-Year Long-lasting LFP Battery
- Premium LFP cells for long-lasting battery life: Using the same chemical makeup as Tesla batteries, Delta 2 Max gives you 3000 complete cycles till it's down to 80% capacity. That's 6× more than the industry average of 500.
- 10 years of everyday use: If used once a day, it can be safely used for about 10 years
- Advanced BMS Protection: Self-regulates voltage, current, and temperature. Charge safely with comprehensive protection.
- Safe and stable for high performance even in warm temperatures.
Advanced BMS Protection
A built-in battery management system regulates vitals, including voltage, current, and temperature, keeping DELTA 2 Max safe, secure, and built to stand the test of time.
- Compatible with EcoFlow DELTA 2 Max
- Independent in Emergencies: The extra battery even recharges directly from EcoFlow’s Smart Generator without DELTA 2 Max. That’s more recharging options to fit any situation.
- Convenient Recharging: its Extra Battery charge and discharge in unison. Whether you’re recharging DELTA 2 Max from solar panels, AC outlets, a vehicle, the Dual Fuel Smart Generator, the DELTA 2 Max Extra Battery will recharge alongside.
- Easy to Use LCD Screen & EcoFlow App: Get all the info on battery percent, time until full, time until empty, and more on the DELTA 2 Max Extra Battery LCD screen. Check the battery’s status anywhere on the EcoFlow app.
||Approximately 19 kg (42 lb)
||464×235×283 mm | 18×9×11 in
|Extra Battery Port Input
||51.2V 2,000W Max (X-Stream and solar dual charging)
|Extra Battery Port Output
||51.2V 3,200W Max
||3,000 cycles to 80% + capacity
||Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
|Optimal Operating Temperature
||-10℃–45℃ (14°F–113°F) (Optimal: 20°C–30°C (68°F –86°F))
Delta 2 Max Smart Extra Battery User Manual