Allpowers R4000 vs EcoFlow DELTA Pro 3
What is the difference?
The Allpowers R4000 has 4 kW of power, 6 kW peak, a 3.46 kWh battery. The EcoFlow DELTA Pro 3 has 4 kW of power, 8 kW peak, a 4.1 kWh battery.
Both use LiFePO4 batteries.
The Allpowers R4000 is rated for 3500 cycles, the EcoFlow DELTA Pro 3 is rated for 4000 cycles.
The Allpowers R4000 takes up to 2000 W from solar, the EcoFlow DELTA Pro 3 takes up to 2600 W from solar. The EcoFlow DELTA Pro 3 charges faster from panels.
The Allpowers R4000 weighs 99 lb, the EcoFlow DELTA Pro 3 weighs 114 lb. The Allpowers R4000 is easier to carry.
Both have a 5-year warranty.
The Allpowers R4000 has 120 V AC output, the EcoFlow DELTA Pro 3 120/240 V. Only 240 V output can run 240 V loads such as many well pumps, dryers and central AC.
The EcoFlow DELTA Pro 3 can add extra batteries.
Specs side by side
| Allpowers R4000 | EcoFlow DELTA Pro 3 | |
|---|---|---|
| Capacity (Wh) | 3456 | 4096 |
| Continuous (W) | 4000 | 4000 |
| Peak (W) | 6000 | 8000 |
| Solar input (W) | 2000 | 2600 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3500 | 4000 |
| Expandable | — | yes |
| Weight (lb) | 99 | 114 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 65.2 h | 77.2 h |
| CPAP run time | 78.2 h | 92.7 h |
| Wi-Fi router run time | 228.1 h | 270.3 h |
| Check on Amazon → | Check on Amazon → |
Specs as read from manufacturer pages on 2026-11-02 / 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 has more capacity, Allpowers R4000 or EcoFlow DELTA Pro 3?
The EcoFlow DELTA Pro 3. More capacity: 4096 Wh vs 3456 Wh.
Which is lighter, Allpowers R4000 or EcoFlow DELTA Pro 3?
The Allpowers R4000. Lighter: 99 lb vs 114 lb.
Which charges faster from solar, Allpowers R4000 or EcoFlow DELTA Pro 3?
The EcoFlow DELTA Pro 3. Faster solar charging: 2600 W input vs 2000 W input.
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Compare other models → · All Allpowers models · All EcoFlow models