Allpowers R4000 vs Anker SOLIX F3800 Plus
What is the difference?
The Allpowers R4000 has 4 kW of power, 6 kW peak, a 3.46 kWh battery. The Anker SOLIX F3800 Plus has 6 kW of power, a 3.84 kWh battery.
Both use LiFePO4 batteries.
The Allpowers R4000 takes up to 2000 W from solar, the Anker SOLIX F3800 Plus takes up to 3200 W from solar. The Anker SOLIX F3800 Plus charges faster from panels.
The Allpowers R4000 weighs 99 lb, the Anker SOLIX F3800 Plus weighs 137 lb. The Allpowers R4000 is easier to carry.
Both have a 5-year warranty.
The Allpowers R4000 has 120 V AC output, the Anker SOLIX F3800 Plus 120/240 V. Only 240 V output can run 240 V loads such as many well pumps, dryers and central AC.
The Anker SOLIX F3800 Plus can add extra batteries.
Specs side by side
| Allpowers R4000 | Anker SOLIX F3800 Plus | |
|---|---|---|
| Capacity (Wh) | 3456 | 3840 |
| Continuous (W) | 4000 | 6000 |
| Peak (W) | 6000 | — |
| Solar input (W) | 2000 | 3200 |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycles | 3500 | — |
| Expandable | — | yes |
| Weight (lb) | 99 | 137 |
| Warranty (yr) | 5 | 5 |
| Fridge run time | 65.2 h | 72.4 h |
| CPAP run time | 78.2 h | 86.9 h |
| Wi-Fi router run time | 228.1 h | 253.4 h |
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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 Anker SOLIX F3800 Plus?
The Anker SOLIX F3800 Plus. More capacity: 3840 Wh vs 3456 Wh.
Which is lighter, Allpowers R4000 or Anker SOLIX F3800 Plus?
The Allpowers R4000. Lighter: 99 lb vs 137 lb.
Which charges faster from solar, Allpowers R4000 or Anker SOLIX F3800 Plus?
The Anker SOLIX F3800 Plus. Faster solar charging: 3200 W input vs 2000 W input.
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Compare other models → · All Allpowers models · All Anker SOLIX models