The Goal Zero Yeti 500 is the better portable power station overall, rated 3.7 to 3.6. The Goal Zero Yeti 500 leads on AC output and features. The Dabbsson 300E wins on value. The Dabbsson 300E costs $300.95 less ($199 vs $499.95).
For outdoor use where weather resistance matters, with enough capacity for a weekend of lights, devices and a small fridge; buyers after value per watt-hour can do better elsewhere.
Amazon Goal Zero $499.95For campers and travelers who want a light LiFePO4 battery for phones, laptops, lights and a CPAP. Its 300W ceiling and slow wall charging rule out appliances.
Amazon $199 Dabbsson $199Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every small portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Goal Zero Yeti 500 | Dabbsson 300E |
|---|---|---|
| Overall rating | 3.7/5 | 3.6/5 |
| Value 25% | 52 $1.00 per rated Wh | 81 $0.67 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% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 100 Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 72 500 W continuous AC | 41 300 W continuous AC |
| Charging speed 10% | 82 0-100% on AC in 1 h 24 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 43 68 Wh per kg (16.1 lb (7.3 kg)) | 45 70 Wh per kg (9.4 lb (4.3 kg)) |
| Solar input 5% | 29 200 W max solar input | 30 120 W max solar input |
| Features 5% | 75 UPS (20 ms), 100 W USB-C, app | 20 app |
| Goal Zero Yeti 500 | Dabbsson 300E | |
|---|---|---|
| Battery | ||
| Rated capacity | 499.2 Wh | 298 Wh |
| Chemistry | LiFePO4 | Semi-solid-state LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 500 W (1,000 W surge) | 300 W (600 W surge) |
| AC outlets | 2 total | 2 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | 1 |
| 120V 2-prong outlets (NEMA 1-15R) | - | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) | 1 (60 W) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | - | 1 |
| UPS / pass-through | Yes (20 ms switchover) | - |
| Charging | ||
| AC charging | 500 W | 100 W |
| Full AC charge time | 1 h 24 min (1.4 h in fast mode, 500W (manufacturer spec table; product copy says 90 min); ships in 240W low mode, about 3 h) | - |
| Max solar input | 200 W | 120 W |
| Solar input voltage | 8mm 12.3-28V, up to 10A | 12-30V, 6A max (AC + solar combined up to 220W) |
| Build | ||
| Weight | 16.1 lb (7.3 kg) | 9.4 lb (4.3 kg) |
| Dimensions | 11.32 x 7.82 x 7.8 in | 11.7 x 7.2 x 7 in |
| App | Goal Zero Power app | Dabbsson app |
| Warranty | 5 years | 5 years |
