Allpowers R2500 vs EcoFlow DELTA 3 Max
What is the difference?
The Allpowers R2500 has 2.5 kW of power, 4 kW peak, a 2.02 kWh battery. The EcoFlow DELTA 3 Max has 2.4 kW of power, 3.4 kW peak, a 2.05 kWh battery.
Both use LiFePO4 batteries.
The Allpowers R2500 takes up to 1000 W from solar, the EcoFlow DELTA 3 Max takes up to 500 W from solar. The Allpowers R2500 charges faster from panels.
The Allpowers R2500 weighs 64 lb, the EcoFlow DELTA 3 Max weighs 45 lb. The EcoFlow DELTA 3 Max is easier to carry.
Both have a 5-year warranty.
Both have 120 V AC output.
The Allpowers R2500 can add extra batteries.
Specs side by side
| Allpowers R2500 | EcoFlow DELTA 3 Max | |
|---|---|---|
| Capacity (Wh) | 2016 | 2048 |
| Continuous (W) | 2500 | 2400 |
| Peak (W) | 4000 | 3400 |
| Solar input (W) | 1000 | 500 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3500 | — |
| Expandable | yes | — |
| Weight (lb) | 64 | 45 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 38 h | 38.6 h |
| CPAP run time | 45.6 h | 46.3 h |
| Wi-Fi router run time | 133.1 h | 135.2 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-10-27 / 2026-10-25. Specs one maker does not list are left out of the comparison. Run times are for that appliance alone with a typical duty cycle, after inverter and depth-of-discharge losses. Sponsored links; we may earn a commission.
Common questions
Which is lighter, Allpowers R2500 or EcoFlow DELTA 3 Max?
The EcoFlow DELTA 3 Max. Lighter: 45 lb vs 64 lb.
Which charges faster from solar, Allpowers R2500 or EcoFlow DELTA 3 Max?
The Allpowers R2500. Faster solar charging: 1000 W input vs 500 W input.
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Compare other models → · All Allpowers models · All EcoFlow models