For home-backup buyers who want nearly 4 kWh in one rolling unit without adding expansion batteries.
Amazon $1,449 BLUETTI $1,399
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.
- 3,993.6 WhCapacity
- 3,600 WAC output
- 115.7 lbWeight
- LiFePO4Battery
- 2 h 36 minFull charge
- $1.00Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- 3,600W output with a 30A RV outlet runs most household appliances except central air
- 3,000W solar input can refill it in about 2 hours of strong sun
- Expands to about 20 kWh with Tank PRO batteries
- Low idle draw, measured at 21W by The Solar Lab
- About 116 lb, so it is wheeled on its cart rather than carried
- No 240V output on a single unit
- Wall charging is capped at 1,800W, about 3 hours to full
- Expensive per watt-hour at full list price
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,993.6 Wh |
| Chemistry | LiFePO4 |
| Cycle life | 4,000 to 80% |
| Expandable | Yes, up to 19,968 Wh |
| Output | |
| AC output | 3,600 W (7,200 W surge) |
| AC outlets | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 |
| RV 30A outlet (TT-30R) | 1 |
| AC waveform | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) |
| USB-A ports | 3 |
| 12 V car outlet | Yes |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| AC charging | 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 | 3,000 W |
| Solar input voltage | HPP 13.3-150V (3000W) + 8mm 12.3-28V (275W) |
| Build | |
| Weight | 115.7 lb (52.5 kg) |
| Dimensions | 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 |
Alternatives in this size
For homeowners planning a solar-backed, expandable 240V backup system rather than a portable unit.
Anker $2,599.99For home backup buyers who want 240V output and room to grow past 20 kWh from one wheeled unit.
Zendure $5,998 HVACDirect $4,299Compare
Compare the Goal Zero Yeti PRO 4000 with any other portable power station →
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Reviews
- The Solar Lab: Goal Zero Yeti PRO 4000 Review
- CleanTechnica: Goal Zero Yeti Pro 4000 Tested
- TechRadar: Goal Zero Yeti Pro 4000 Review