Head to head
Goal Zero Yeti 700 vs OUPES Mega 2
OUPES · Power Station
OUPES Mega 2
~$729
2,500 W / 5,400 W surge · up to fridge, freezer and the essentials
Quick takeThe Goal Zero Yeti 700 lists about $30 lower; the OUPES Mega 2 puts out more sustained power (2,500 W).
| Spec | Goal Zero Yeti 700 | OUPES Mega 2 |
|---|---|---|
| Approx. price | ~$699 | ~$729 |
| Type | Power Station | Power Station |
| Fuel | Battery (LiFePO4) | Battery (LiFePO4) |
| Running / output watts | 600 W | 2,500 W |
| Starting / surge watts | 1,000 W | 5,400 W |
| Battery capacity | 677 Wh | 2,048 Wh |
| Expandable to | — | 10,240 Wh |
| Noise | — | — |
| Runtime | Fridge (~150W): ~4 hrs on 677 Wh; CPAP (~40W): about 15 hrs | Fridge (~150W): ~11 hrs on base unit; ~55 hrs with four B2 packs |
| Outlets | 2x 120V AC (600 W combined), USB-C PD 100 W, 2x USB-C QC 30 W, 2x USB-A 18 W, 12V ports | 4x 120V 20A (5-20R), 1x TT-30R 120V 30A, 2x USB-C PD 100W, 4x USB-A 18W, 12V Anderson 30A, car 12V 10A, 2x DC5521 |
| Fuel tank | — | — |
| Weight | 20.3 lbs | 48.5 lbs |
| Transfer-switch ready | No | No |
| Warranty | 5-year | 5-year, 6 with free registration |
Highlighted cell is the better figure for that row.
Owner pros and cons
Goal Zero Yeti 700
- +20.3 lb and rugged enough for mud and rain
- +Simultaneous charge and discharge supported
- +100 W USB-C PD charges laptops
- −600 W continuous inverter is the limit for appliances
- −Rivals offer more watts at the same price
- −Not expandable
- −No 30 A outlet, no transfer switch path
- −No noise figure published
OUPES Mega 2
- +TT-30R 30 A outlet takes an RV cord
- +5,400 W surge covers well pumps and refrigerators
- +Up to 3,700 W input with AC plus solar charges quickly
- +Seamless UPS under 20 ms
- −UPS changeover of under 20 ms is slower than EcoFlow's 10 ms
- −Noise level not published
- −48.5 lb is hefty for a camping unit
- −Small US service network and shorter outage track record than the big brands
- −TT-30R is 120 V; no L14-30 for a 240 V transfer switch