Anker SOLIX F3800 vs Anker SOLIX F2600
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Anker SOLIX F2600 costs $2500 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX F3800 holds 50% more energy (3840Wh vs 2560Wh), so it runs the same load proportionally longer.
- Anker SOLIX F3800 has 6200W more surge headroom (9000W vs 2800W) — that decides whether a fridge, pump or AC compressor will actually start.
- Anker SOLIX F2600 is 70.6 lb lighter (61.7 lb vs 132.3 lb).
The Anker SOLIX F3800 is poor value on paper: 0.96 Wh per dollar versus 1.71 for the Anker SOLIX F2600. Only worth it if you specifically need its higher output or 240V capability — otherwise you're paying a large premium per watt-hour.
This is where portable power stops being portable and starts replacing a standby generator. The 240V split-phase output is the headline feature.
Best for: Whole-home backup where you need 240V loads and can't run a gas generator.
Where it falls short:
- 132 lb — this is a wheeled appliance, not something you carry
- $3,999 puts it against real standby generators
An odd spec sheet: 2560Wh of capacity but only 2800W surge — the lowest surge-to-capacity ratio here. Capacity without starting power.
Best for: Long-duration backup of steady loads (lights, electronics, CPAP) rather than motor-driven appliances.
Where it falls short:
- 2800W surge is barely above its 2400W continuous — it will struggle with pumps
- 61.7 lb
| Spec | Anker SOLIX F3800 | Anker SOLIX F2600 |
|---|---|---|
| Price | $3999 | $1499 |
| Capacity | 3840 Wh | 2560 Wh |
| Continuous output | 6000 W | 2400 W |
| Surge output | 9000 W | 2800 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 4,000 | 4,000 |
| Weight (lighter wins) | 132.3 lb | 61.7 lb |
| Max solar | 2400 W | 1000 W |
| Recharge time (faster wins) | 1h 30m | 1h 30m |
Runtime head-to-head
| Appliance | Anker SOLIX F3800 | Anker SOLIX F2600 |
|---|---|---|
| Refrigerator | 54.4 hrs | 36.3 hrs |
| Mini fridge | 103.6 hrs | 69.1 hrs |
| Chest freezer | 40.8 hrs | 27.2 hrs |
| CPAP machine | 81.6 hrs | 54.4 hrs |
| Sump pump | 4.1 hrs | ❌ |