Anker SOLIX F3800
#22 in Home backupFull review
For homeowners who want 240V backup that can grow into a whole-home battery, and who do not need the extra solar input of the F3800 Plus.
Amazon Anker $2,199.99$2,199.99
The Anker SOLIX F3800 and the Anker SOLIX F3800 Plus are evenly matched, rated 3.7 and 3.6. The Anker SOLIX F3800 leads on value and features. The Anker SOLIX F3800 Plus wins on solar input. The Anker SOLIX F3800 costs $400 less ($2,199.99 vs $2,599.99).
Anker SOLIX F3800 Plus
#26 in Home backupFull review
For homeowners planning a solar-backed, expandable 240V backup system rather than a portable unit.
Anker $2,599.99$2,599.99
Prices 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 Anker SOLIX F3800 for value ($0.57 per rated Wh vs $0.68 per rated Wh) and features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (20 ms), expandable, 100 W USB-C).
- Choose the Anker SOLIX F3800 Plus for solar input (3,200 W max solar input vs 2,400 W max solar input).
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 F3800 | Anker SOLIX F3800 Plus |
|---|---|---|
| Overall rating | 3.7/5 | 3.6/5 |
| Value 25% | 58 $0.57 per rated Wh | 42 $0.68 per rated Wh |
| Tested capacity 15% | 35 78% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 91 LiFePO4, 3,000 cycles, 5-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 83 6,000 W continuous AC | 83 6,000 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 35 64 Wh per kg (132.3 lb (60 kg)) | 31 62 Wh per kg (136.7 lb (62 kg)) |
| Solar input 5% | 56 2,400 W max solar input | 80 3,200 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 80 UPS (20 ms), expandable, 100 W USB-C |
Independent capacity tests
Anker SOLIX F3800
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 2,980 Wh | 78% | Full discharge until the inverter cut off; load not stated. Recharge from 0 to 100% took 4,930 Wh from the wall. |
Anker SOLIX F3800 Plus
No independent test published yet.
Specifications
| Anker SOLIX F3800 | Anker SOLIX F3800 Plus | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,840 Wh |
| Tested usable capacity | 2,980 Wh (78%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,000 to 80% | 3,000 |
| Expandable | Yes, up to 26,880 Wh | Yes, up to 53,800 Wh |
| Output | ||
| AC output | 6,000 W (9,000 W surge) | 6,000 W |
| AC outlets | 8 total | 8 total |
| 120V 20A outlets (NEMA 5-20R) | 6 | 6 |
| RV 30A outlet (TT-30R) | - | 1 |
| 120/240V 30A twist-lock (NEMA L14-30R) | 1 | 1 |
| 120/240V 50A outlet (NEMA 14-50R) | 1 | - |
| USB-C ports | 3 (up to 100 W each) | - |
| USB-A ports | 2 | - |
| 12 V car outlet | Yes | Yes |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Max solar input | 2,400 W | 3,200 W |
| Solar input voltage | 11-60V, 2 inputs at 1200W each | 11-165V, 2 inputs at 1600W each |
| Build | ||
| Weight | 132.3 lb (60 kg) | 136.7 lb (62 kg) |
| Dimensions | 27.6 x 15.3 x 15.6 in | 27.6 x 15.3 x 15.6 in |
| App | Anker app | - |
| Warranty | 5 years | 5 years |