Allpowers R4000 vs EcoFlow DELTA Pro
What is the difference?
The Allpowers R4000 has 4 kW of power, 6 kW peak, a 3.46 kWh battery. The EcoFlow DELTA Pro has 3.6 kW of power, 7.2 kW peak, a 3.6 kWh battery.
Both use LiFePO4 batteries.
Both are rated for 3500 cycles.
The Allpowers R4000 takes up to 2000 W from solar, the EcoFlow DELTA Pro takes up to 1600 W from solar. The Allpowers R4000 charges faster from panels.
Both weigh 99 lb.
The Allpowers R4000 charges from a wall outlet to 100 % in 2 h, the EcoFlow DELTA Pro charges from a wall outlet to 100 % in 2.7 h. The Allpowers R4000 is ready again sooner.
The EcoFlow DELTA Pro can add extra batteries.
Specs side by side
| Allpowers R4000 | EcoFlow DELTA Pro | |
|---|---|---|
| Capacity (Wh) | 3456 | 3600 |
| Continuous (W) | 4000 | 3600 |
| Peak (W) | 6000 | 7200 |
| Solar input (W) | 2000 | 1600 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3500 | 3500 |
| Expandable | — | yes |
| Weight (lb) | 99 | 99 |
| Warranty (yr) | 5 | — |
| Fridge run time | 65.2 h | 67.9 h |
| CPAP run time | 78.2 h | 81.5 h |
| Wi-Fi router run time | 228.1 h | 237.6 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 charges faster from solar, Allpowers R4000 or EcoFlow DELTA Pro?
The Allpowers R4000. Faster solar charging: 2000 W input vs 1600 W input.
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Compare other models → · All Allpowers models · All EcoFlow models