For RV and home-backup users who want 3 kWh and a TT-30R outlet at a lower price than the F3800 Plus.
Amazon $1,398.98 Anker $1,398.98The Anker SOLIX F3000 is the better portable power station overall, rated 3.9 to 3.7. The Anker SOLIX F3000 leads on battery life, solar input and tested capacity. The EcoFlow DELTA 3 Ultra wins on portability and features. The EcoFlow DELTA 3 Ultra costs $49.98 less ($1,349 vs $1,398.98).
A wheeled 3kWh station for home backup or RV use at a lower price than its expandable sibling. Buy it if 3kWh is enough and you charge mostly from the wall.
Amazon $1,699 EcoFlow $1,349Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Anker SOLIX F3000 for battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 5-year warranty), solar input (2,400 W max solar input vs 800 W max solar input) and tested capacity (86% of rated capacity delivered (1 test) vs 82% of rated capacity delivered (1 test)).
- Choose the EcoFlow DELTA 3 Ultra for portability (94 Wh per kg (72.1 lb (32.7 kg)) vs 74 Wh per kg (91.5 lb (41.5 kg))) and features (UPS (10 ms), 140 W USB-C, app vs UPS (20 ms)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Anker SOLIX F3000 | EcoFlow DELTA 3 Ultra |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 25% | 76 $0.46 per rated Wh | 79 $0.44 per rated Wh |
| Tested capacity 15% | 73 86% of rated capacity delivered (1 test) | 55 82% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 70 LiFePO4, 5-year warranty |
| AC output 15% | 37 3,600 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 84 0-100% on AC in 1 h 20 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 53 74 Wh per kg (91.5 lb (41.5 kg)) | 89 94 Wh per kg (72.1 lb (32.7 kg)) |
| Solar input 5% | 74 2,400 W max solar input | 13 800 W max solar input |
| Features 5% | 35 UPS (20 ms) | 75 UPS (10 ms), 140 W USB-C, app |
Independent capacity tests
Anker SOLIX F3000
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 2,646 Wh | 86.1% | 480W load logged with HOBOware; round-trip efficiency 74.62%; recharge 2 h 20 min |
EcoFlow DELTA 3 Ultra
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 82% | Efficiency test (load not stated in the review). Measured AC recharge 0-100% in 2 h from a standard household outlet. |
Specifications
| Anker SOLIX F3000 | EcoFlow DELTA 3 Ultra | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,072 Wh | 3,072 Wh |
| Tested usable capacity | 2,646 Wh (86%) | 2,519 Wh (82%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 | - |
| Expandable | - | No |
| Output | ||
| AC output | 3,600 W (7,200 W surge) | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | 4,860 W | 4,600 W |
| AC outlets | 5 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 | 3 (up to 140 W each) |
| USB-A ports | 2 | 1 |
| 12 V car outlet | - | Yes |
| DC5521 ports | - | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | 1 h 20 min (Anker: "Full AC recharge in just 80 minutes" (ankersolix.com selling points). That is at the full 3,600W AC input via the aviation port (TT-30 / EV-charger adapter cable or a 120V generator); from a standard 15A/20A outlet the input is 1,800W and Anker gives no full-charge time for that.) | - |
| Max solar input | 2,400 W | 800 W |
| Solar input voltage | HV input 1600W + LV input 800W | - |
| Build | ||
| Weight | 91.5 lb (41.5 kg) | 72.1 lb (32.7 kg) |
| Dimensions | - | 626 x 328 x 395 mm |
| App | - | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2025-06 | 2025-09 |
