For homeowners planning a solar-backed, expandable 240V backup system rather than a portable unit.
Anker $2,599.99The Anker SOLIX F3800 Plus is the better portable power station overall, rated 3.6 to 3.1. The Anker SOLIX F3800 Plus leads on value, AC output and solar input. The Goal Zero Yeti PRO 4000 wins on portability, battery life and features. The Anker SOLIX F3800 Plus costs $1,399.96 less ($2,599.99 vs $3,999.95).
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 $3,999.95Prices 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 Plus for value ($0.68 per rated Wh vs $1.00 per rated Wh), AC output (6,000 W continuous AC vs 3,600 W continuous AC) and solar input (3,200 W max solar input vs 3,000 W max solar input).
- Choose the Goal Zero Yeti PRO 4000 for portability (76 Wh per kg (115.7 lb (52.5 kg)) vs 62 Wh per kg (136.7 lb (62 kg))), battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 5-year warranty) and features (UPS (15 ms), expandable, 100 W USB-C, app vs UPS (20 ms), expandable, 100 W USB-C).
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 Plus | Goal Zero Yeti PRO 4000 |
|---|---|---|
| Overall rating | 3.6/5 | 3.1/5 |
| Value 25% | 42 $0.68 per rated Wh | 0 $1.00 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% | 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% | 31 62 Wh per kg (136.7 lb (62 kg)) | 56 76 Wh per kg (115.7 lb (52.5 kg)) |
| Solar input 5% | 80 3,200 W max solar input | 71 3,000 W max solar input |
| Features 5% | 80 UPS (20 ms), expandable, 100 W USB-C | 100 UPS (15 ms), expandable, 100 W USB-C, app |
Specifications
| Anker SOLIX F3800 Plus | Goal Zero Yeti PRO 4000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,993.6 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,000 | 4,000 to 80% |
| Expandable | Yes, up to 53,800 Wh | Yes, up to 19,968 Wh |
| Output | ||
| AC output | 6,000 W | 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 | 1 |
| 120/240V 30A twist-lock (NEMA L14-30R) | 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 |
| 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 | 3,200 W | 3,000 W |
| Solar input voltage | 11-165V, 2 inputs at 1600W each | HPP 13.3-150V (3000W) + 8mm 12.3-28V (275W) |
| Build | ||
| Weight | 136.7 lb (62 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 | - | Goal Zero Power app |
| Warranty | 5 years | 5 years |
| Released | 2025-03 | 2023-10 |
