For home-backup buyers who want nearly 4 kWh in one rolling unit without adding expansion batteries.
Amazon $1,449 BLUETTI $1,399The BLUETTI Elite 400 and the Anker SOLIX F3800 Plus are evenly matched, rated 3.6 and 3.6. The BLUETTI Elite 400 leads on value and portability. The Anker SOLIX F3800 Plus wins on AC output, solar input and battery life. The BLUETTI Elite 400 costs $1,200.99 less ($1,399 vs $2,599.99).
For homeowners planning a solar-backed, expandable 240V backup system rather than a portable unit.
Anker $2,599.99Prices were last checked October 20, 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 BLUETTI Elite 400 for value ($0.36 per rated Wh vs $0.68 per rated Wh) and portability (98 Wh per kg (86 lb (39 kg)) vs 62 Wh per kg (136.7 lb (62 kg))).
- Choose the Anker SOLIX F3800 Plus for AC output (6,000 W continuous AC vs 2,600 W continuous AC), solar input (3,200 W max solar input vs 1,000 W max solar input) and battery life (LiFePO4, 3,000 cycles, 5-year warranty vs LiFePO4, 5-year warranty).
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 | BLUETTI Elite 400 | Anker SOLIX F3800 Plus |
|---|---|---|
| Overall rating | 3.6/5 | 3.6/5 |
| Value 25% | 90 $0.36 per rated Wh | 42 $0.68 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 70 LiFePO4, 5-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 7 2,600 W continuous AC | 83 6,000 W continuous AC |
| Charging speed 10% | 47 0-100% on AC in 2 h 30 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 97 98 Wh per kg (86 lb (39 kg)) | 31 62 Wh per kg (136.7 lb (62 kg)) |
| Solar input 5% | 13 1,000 W max solar input | 80 3,200 W max solar input |
| Features 5% | 75 UPS (15 ms), 100 W USB-C, app | 80 UPS (20 ms), expandable, 100 W USB-C |
Specifications
| BLUETTI Elite 400 | Anker SOLIX F3800 Plus | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,840 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | - | 3,000 |
| Expandable | No | Yes, up to 53,800 Wh |
| Output | ||
| AC output | 2,600 W (5,200 W surge) | 6,000 W |
| Boost mode (resistive loads) | 3,900 W | - |
| AC outlets | 4 total | 8 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 6 |
| RV 30A outlet (TT-30R) | - | 1 |
| 120/240V 30A twist-lock (NEMA L14-30R) | - | 1 |
| USB-C ports | 2 (up to 100 W each) | - |
| USB-A ports | 2 | - |
| 12 V car outlet | Yes | Yes |
| UPS / pass-through | Yes (15 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | 2 h 30 min (0-80% in about 1 h 55 min in Turbo mode; AC + solar up to 2800W) | - |
| Max solar input | 1,000 W | 3,200 W |
| Solar input voltage | 12-60V, 20A | 11-165V, 2 inputs at 1600W each |
| Build | ||
| Weight | 86 lb (39 kg) | 136.7 lb (62 kg) |
| Dimensions | 16.8 x 11.3 x 19.3 in | 27.6 x 15.3 x 15.6 in |
| App | Wi-Fi + Bluetooth | - |
| Warranty | 5 years | 5 years |
