EcoFlow RIVER 2 Max Portable Power Station vs OUPES Mega 2 Pro Portable Power Station
Head-to-head spec comparison to help you pick the right power station for your needs.
Verdict
It's a Tie
The EcoFlow RIVER 2 Max Portable Power Station and OUPES Mega 2 Pro Portable Power Station are evenly matched — your choice depends on which features matter most to you.
Spec-by-Spec Comparison
| Spec | EcoFlow RIVER 2 Max Portable Power Station | OUPES Mega 2 Pro Portable Power Station |
|---|---|---|
| Capacity | 512 Wh | 2048 Wh |
| AC output | 500 W | 2500 W |
| Surge | 1000 W | 5400 W |
| Battery | LiFePO4 | LiFePO4 |
| Cycle life | 3000 cycles | 3500 cycles |
| Solar input | 220 W | 1000 W |
| AC recharge | 1 hr | 1.5 hr |
| Weight | 13.4 lb | 58 lb |
| UPS/EPS | EPS/pass-through; not medical UPS | UPS/EPS; variant-specific |
| Ports | 11 outputs | AC, USB-C, USB-A, DC/RV |
| Expandable | No | Yes |
| Price | $399 | $899 |
| Rating | 8.5/10 | 8.1/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
EcoFlow RIVER 2 Max Portable Power Station
Pros
- 512Wh capacity is the first tier that feels comfortable for overnight CPAP or longer router/laptop runtime
- Fast AC recharge and 220W solar input beat many entry stations
- 13.4 lb weight keeps it genuinely portable
Cons
- 500W output is limiting for cooking appliances and some fridge startup cases
- No expansion path if you later want a bigger home-backup system
- Solar recovery still needs good sun and realistic panel expectations
OUPES Mega 2 Pro Portable Power Station
Pros
- 2048Wh LiFePO4 capacity at aggressive value pricing
- 2500W output and high surge spec compete with more expensive 2kWh stations
- 1000W solar input gives it a serious spec sheet if the exact variant matches
Cons
- Variant and weight details need careful final verification
- Support and ecosystem confidence trail the largest brands
- Better as a value challenger than the default critical-load recommendation
Our Verdicts
EcoFlow RIVER 2 Max Portable Power Station
The RIVER 2 Max is the honest middle ground for CPAP, camping, laptops, and small outage loads. Size up if your plan includes a refrigerator or high-surge appliance.
OUPES Mega 2 Pro Portable Power Station
Mega 2 Pro is the 2kWh value challenger. It can make the math work beautifully, but verify the exact Amazon variant and seller before making it the core of an outage plan.
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