EcoFlow RIVER 2 Pro vs EcoFlow DELTA mini
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 DELTA mini, 882 Wh vs 768 Wh.
- More AC output: EcoFlow DELTA mini, 1,400 W vs 800 W.
- Higher surge: EcoFlow DELTA mini, 2,100 W vs 1,600 W.
- More solar input: EcoFlow DELTA mini, 300 W vs 220 W.
- Higher solar voltage limit: EcoFlow DELTA mini, 75 V vs 50 V.
- Lighter: EcoFlow RIVER 2 Pro, 18.2 lb vs 23.6 lb.
- Lower brand-store price: EcoFlow RIVER 2 Pro, $389 vs $549.
RIVER 2 Pro and DELTA mini are the same size class: within 114 Wh of each other. RIVER 2 Pro is the lightest at 18.2 lb. DELTA mini takes the most solar at 300 W, so it refills fastest. RIVER 2 Pro is the cheapest at $389.
How long they run common devices
| Device | EcoFlow RIVER 2 Pro | EcoFlow DELTA mini |
|---|---|---|
| Fridge (60 W) | 11 hours | 12 hours |
| CPAP (40 W) | 16 hours | 19 hours |
| Starlink (100 W) | 6.5 hours | 7.5 hours |
| Laptop (60 W) | 11 hours | 12 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 | 768 Wh fridge about 11 hours | 882 Wh fridge about 12 hours |
AC output W, continuous | 800 W Fridge, CPAP, laptops, lights | 1,400 W Fridge, TV, laptops, a coffee maker |
Surge W, a second or two | 1,600 W motor start-ups | 2,100 W motor start-ups |
Solar input W, max | 220 W full in about 5 hours | 300 W full in about 4 hours |
Solar voltage range V, panels must fit | 11 to 50 V 1 panel, or 2 in parallel | 11 to 75 V 2 panels in series fits |
Solar inputs count | 1 input Solar input | 1 input Solar input |
Weight lb | 18.2 lb one hand | 23.6 lb two hands |
Wh per pound battery for the weight | 42 Wh/lb higher is denser | 37 Wh/lb higher is denser |
Price brand store | $389 0.51 $/Wh | $549 0.62 $/Wh |
Price per Wh what you pay for storage | $0.51 lower is better value | $0.62 lower is better value |
| Buy | $389 · Details Brand store, Oct 28, 2026 | $549 · 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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