Goal Zero Yeti 500 vs EcoFlow River 2 Max
A spec-by-spec breakdown to settle it. Prices and value metric (cost per usable Wh) included.
| Goal Zero Yeti 500 |
EcoFlow River 2 Max |
|
|---|---|---|
| Price | — | $309 |
| Battery capacity | 499 Wh | 512 Wh |
| Usable capacity | 449 Wh | 461 Wh |
| Real usable at outlet (AC) | 382 Wh | 392 Wh |
| AC output (continuous) | 300 W | 500 W |
| Surge output | 1200 W | 1000 W |
| Battery chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 3000 cycles | 3000 cycles |
| Max solar input | 120 W | 220 W |
| Expandable | No | No |
| Weight | 12.9 lb | 13.4 lb |
| Warranty | 2 yrs | 5 yrs |
| Cost per usable Wh | — | $0.67/Wh |
| Check price → | Check price → |
Bottom line
For pure value, the EcoFlow River 2 Max wins on cost per usable Wh. Need the most capacity? The EcoFlow River 2 Max holds 512 Wh. Prioritizing portability? The Goal Zero Yeti 500 is lighter at 12.9 lb. Match the choice to how you scored on the sizing calculator.
Some links are affiliate links. See our disclosure.