EcoFlow RIVER Max vs EcoFlow RIVER 2 Pro
Two mid-size power stations, number by number. Neither is ranked above the other. Every spec comes from each maker's manual or product page; tap a station for the source.
- Bigger battery: EcoFlow RIVER 2 Pro, 768 Wh vs 576 Wh.
- More AC output: EcoFlow RIVER 2 Pro, 800 W vs 600 W.
- Higher surge: EcoFlow RIVER 2 Pro, 1,600 W vs 1,200 W.
- More solar input: EcoFlow RIVER 2 Pro, 220 W vs 200 W.
- Higher solar voltage limit: EcoFlow RIVER 2 Pro, 50 V vs 25 V.
- Lighter: EcoFlow RIVER Max, 17 lb vs 18.2 lb.
- Lower brand-store price: EcoFlow RIVER 2 Pro, $389 vs $449.
RIVER Max and RIVER 2 Pro differ mainly in size: RIVER 2 Pro has the biggest battery at 768 Wh. RIVER Max is the lightest at 17 lb. RIVER 2 Pro takes the most solar at 220 W, so it refills fastest. RIVER 2 Pro is the cheapest at $389, and it also leads on solar input.
How long they run common devices
| Device | EcoFlow RIVER Max | EcoFlow RIVER 2 Pro |
|---|---|---|
| Fridge (60 W) | 8 hours | 11 hours |
| CPAP (40 W) | 12 hours | 16 hours |
| Starlink (100 W) | 5 hours | 6.5 hours |
| Laptop (60 W) | 8 hours | 11 hours |
On a full charge, assuming 85% of the battery is usable. Real devices vary; check the label on yours.
Every spec side by side
| Spec |  EcoFlow |  EcoFlow |
|---|---|---|
Battery Wh, size | 576 Wh fridge about 8 hours | 768 Wh fridge about 11 hours |
AC output W, continuous | 600 W Fridge, CPAP, laptops, lights | 800 W Fridge, CPAP, laptops, lights |
Surge W, a second or two | 1,200 W motor start-ups | 1,600 W motor start-ups |
Solar input W, max | 200 W full in about 4 hours | 220 W full in about 5 hours |
Solar voltage range V, panels must fit | 10 to 25 V 1 panel, or 2 in parallel | 11 to 50 V 1 panel, or 2 in parallel |
Solar inputs count | 1 input Solar input | 1 input Solar input |
Weight lb | 17 lb one hand | 18.2 lb one hand |
Wh per pound battery for the weight | 34 Wh/lb higher is denser | 42 Wh/lb higher is denser |
Price brand store | $449 0.78 $/Wh | $389 0.51 $/Wh |
Price per Wh what you pay for storage | $0.78 lower is better value | $0.51 lower is better value |
| Buy | $449 · Details Brand store, Oct 28, 2026 | $389 · Details Brand store, Oct 28, 2026 |
Which solar panels work with each
Our checker at 20°F, using each maker's voltage and current rules. Tap a verdict for the wiring and cables.
Where to buy
Out of stock at the EcoFlow store when we checked
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