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Allpowers R2500 vs EcoFlow DELTA 3 Max Plus

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 Plus has 3 kW of power, 6 kW peak, a 2.05 kWh battery.

Both use LiFePO4 batteries.

Both take up to 1000 W from solar.

The Allpowers R2500 weighs 64 lb, the EcoFlow DELTA 3 Max Plus weighs 49 lb. The EcoFlow DELTA 3 Max Plus is easier to carry.

Both have a 5-year warranty.

Both have 120 V AC output.

Both can add extra batteries.

Specs side by side

Allpowers R2500EcoFlow DELTA 3 Max Plus
Capacity (Wh)20162048
Continuous (W)25003000
Peak (W)40006000
Solar input (W)10001000
ChemistryLiFePO4LiFePO4
Cycles3500—
Expandableyesyes
Weight (lb)6449
Warranty (yr)55
Fridge run time38 h38.6 h
CPAP run time45.6 h46.3 h
Wi-Fi router run time133.1 h135.2 h
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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 Plus?

The EcoFlow DELTA 3 Max Plus. Lighter: 49 lb vs 64 lb.

More comparisons

Compare other models → · All Allpowers models · All EcoFlow models