The Goal Zero Yeti 700 is the better portable power station overall, rated 3.1 to 2.5. The Goal Zero Yeti 700 leads on battery life, charging speed and value. The Duracell G800 wins on AC output.
For 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 $699.95For occasional home backup and outdoor gatherings where the familiar brand, easy recharging and design matter more than price or battery life. Made under license by Southern Telecom; LiFePO4 stations at this price last far longer.
Amazon $699 Duracell $699Prices 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 mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Goal Zero Yeti 700 | Duracell G800 |
|---|---|---|
| Overall rating | 3.1/5 | 2.5/5 |
| Value 25% | 9 $1.03 per rated Wh | 0 $1.13 per rated Wh |
| Tested capacity 15% | 58 83% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 15 Li-ion NMC, 500 cycles, 2-year warranty |
| AC output 15% | 12 600 W continuous AC | 30 800 W continuous AC |
| Charging speed 10% | 73 0-100% on AC in 1 h 42 min | 47 0-100% on AC in 2 h 30 min |
| Portability 10% | 52 74 Wh per kg (20.3 lb (9.2 kg)) | 46 70 Wh per kg (19.4 lb (8.8 kg)) |
| Solar input 5% | 17 200 W max solar input | 17 180 W max solar input |
| Features 5% | 75 UPS (20 ms), 100 W USB-C, app | 55 UPS (15 ms), 100 W USB-C |
| 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% |
No independent test published yet.
| Goal Zero Yeti 700 | Duracell G800 | |
|---|---|---|
| Battery | ||
| Rated capacity | 677.4 Wh | 620 Wh |
| Tested usable capacity | 560 Wh (83%) | - |
| Chemistry | LiFePO4 | Li-ion NMC |
| Cycle life | 4,000 to 80% | 500 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 600 W (1,000 W surge) | 800 W |
| AC outlets | 2 total | 3 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | 3 |
| 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 | 3 |
| 12 V car outlet | Yes | Yes |
| UPS / pass-through | Yes (20 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 500 W | - |
| Full AC charge time | 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) | 2 h 30 min (2.5 h in fast-charge mode, 4 h at the normal rate; 0-80% in under an hour in fast mode (manufacturer)) |
| Max solar input | 200 W | 180 W |
| Solar input voltage | 8mm 12.3-28V, up to 10A | Up to 30V (XT-60 input) |
| Build | ||
| Weight | 20.3 lb (9.2 kg) | 19.4 lb (8.8 kg) |
| Dimensions | 11.32 x 7.84 x 8.55 in | 12.5 x 8.3 x 11.5 in |
| App | Goal Zero Power app | - |
| Warranty | 5 years | 2 years |
