Anker SOLIX F3800
#23 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 is the better portable power station overall, rated 3.7 to 3.1. The Anker SOLIX F3800 leads on value and AC output. The Goal Zero Yeti PRO 4000 wins on portability, battery life and solar input. The Anker SOLIX F3800 costs $1,799.96 less ($2,199.99 vs $3,999.95).
Goal Zero Yeti PRO 4000
#28 in Home backupFull review
For RV owners and home-backup buyers who want a rugged 4 kWh station with a 30A RV outlet and room to expand, and who won’t be lifting it often.
Amazon Goal Zero $3,999.95$3,999.95
Prices 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 F3800 for value ($0.57 per rated Wh vs $1.00 per rated Wh) and AC output (6,000 W continuous AC vs 3,600 W continuous AC).
- Choose the Goal Zero Yeti PRO 4000 for portability (76 Wh per kg (115.7 lb (52.5 kg)) vs 64 Wh per kg (132.3 lb (60 kg))), battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 5-year warranty) and solar input (3,000 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 | Goal Zero Yeti PRO 4000 |
|---|---|---|
| Overall rating | 3.7/5 | 3.1/5 |
| Value 25% | 58 $0.57 per rated Wh | 0 $1.00 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 | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 83 6,000 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 44 0-100% on AC in 2 h 36 min |
| Portability 10% | 35 64 Wh per kg (132.3 lb (60 kg)) | 56 76 Wh per kg (115.7 lb (52.5 kg)) |
| Solar input 5% | 56 2,400 W max solar input | 71 3,000 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 100 UPS (15 ms), expandable, 100 W USB-C, app |
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. |
Goal Zero Yeti PRO 4000
No independent test published yet.
Specifications
| Anker SOLIX F3800 | Goal Zero Yeti PRO 4000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,993.6 Wh |
| Tested usable capacity | 2,980 Wh (78%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,000 to 80% | 4,000 to 80% |
| Expandable | Yes, up to 26,880 Wh | Yes, up to 19,968 Wh |
| Output | ||
| AC output | 6,000 W (9,000 W surge) | 3,600 W (7,200 W surge) |
| AC outlets | 8 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 6 | 4 |
| RV 30A outlet (TT-30R) | - | 1 |
| 120/240V 30A twist-lock (NEMA L14-30R) | 1 | - |
| 120/240V 50A outlet (NEMA 14-50R) | 1 | - |
| AC waveform | - | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) | 3 (up to 100 W each) |
| USB-A ports | 2 | 3 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | - | 2 h 36 min (2.6 h full per Goal Zero comparison chart (user guide says about 3 h); 0-80% in 2 h) |
| Max solar input | 2,400 W | 3,000 W |
| Solar input voltage | 11-60V, 2 inputs at 1200W each | HPP 13.3-150V (3000W) + 8mm 12.3-28V (275W) |
| Car charging | 120 W | - |
| Build | ||
| Weight | 132.3 lb (60 kg) | 115.7 lb (52.5 kg) |
| Dimensions | 27.6 x 15.3 x 15.6 in | 21.4 x 13.8 x 14.8 in (with removable cart: 18.1 in tall, 125.7 lb) |
| App | Anker app | Goal Zero Power app |
| Warranty | 5 years | 5 years |
| Released | 2023-11 | 2023-10 |