The Goal Zero Yeti 500 rates 3.7 among small portable power stations; the Goal Zero Yeti 700 rates 3.1 among mid-size ones. The Goal Zero Yeti 500 costs $200 less ($499.95 vs $699.95).
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 overlanders who want a rugged, easy-to-carry battery for devices, lights and a portable fridge, and can live with a modest 600W inverter.
Amazon $699.95 Goal Zero $699.95 BioLite $699.95Prices 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.
These two sit in different size classes (small and mid-size), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Goal Zero Yeti 500 | Goal Zero Yeti 700 |
|---|---|---|
| Overall rating | 3.7/5 | 3.1/5 |
| Value 25% | 52 $1.00 per rated Wh | 9 $1.03 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 58 83% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 72 500 W continuous AC | 12 600 W continuous AC |
| Charging speed 10% | 82 0-100% on AC in 1 h 24 min | 73 0-100% on AC in 1 h 42 min |
| Portability 10% | 43 68 Wh per kg (16.1 lb (7.3 kg)) | 52 74 Wh per kg (20.3 lb (9.2 kg)) |
| Solar input 5% | 29 200 W max solar input | 17 200 W max solar input |
| Features 5% | 75 UPS (20 ms), 100 W USB-C, app | 75 UPS (20 ms), 100 W USB-C, app |
No independent test published yet.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 560 Wh | 82.7% | AC output discharge test; OutdoorGearLab states 83%, 560/677.37 works out to 82.7% |
| Goal Zero Yeti 500 | Goal Zero Yeti 700 | |
|---|---|---|
| Battery | ||
| Rated capacity | 499.2 Wh | 677.4 Wh |
| Tested usable capacity | - | 560 Wh (83%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 500 W (1,000 W surge) | 600 W (1,000 W surge) |
| AC outlets | 2 total | 2 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | 2 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 500 W | 500 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) | 1 h 42 min (1.7 h in fast mode, 500W (manufacturer); ships in 340W low mode, about 3 h. OutdoorGearLab measured 2.5 h on the default setting) |
| Max solar input | 200 W | 200 W |
| Solar input voltage | 8mm 12.3-28V, up to 10A | 8mm 12.3-28V, up to 10A |
| Build | ||
| Weight | 16.1 lb (7.3 kg) | 20.3 lb (9.2 kg) |
| Dimensions | 11.32 x 7.82 x 7.8 in | 11.32 x 7.84 x 8.55 in |
| App | Goal Zero Power app | Goal Zero Power app |
| Warranty | 5 years | 5 years |
