BLUETTI EB70S vs EcoFlow RIVER 2 Max
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: BLUETTI EB70S, 716 Wh vs 512 Wh.
- More AC output: BLUETTI EB70S, 800 W vs 500 W.
- Higher surge: BLUETTI EB70S, 1,400 W vs 1,000 W.
- More solar input: EcoFlow RIVER 2 Max, 220 W vs 200 W.
- Higher solar voltage limit: EcoFlow RIVER 2 Max, 50 V vs 28 V.
- Lighter: EcoFlow RIVER 2 Max, 13.4 lb vs 21.4 lb.
- Lower brand-store price: EcoFlow RIVER 2 Max, $289 vs $429.
EB70S and RIVER 2 Max differ mainly in size: EB70S has the biggest battery at 716 Wh. RIVER 2 Max is the lightest at 13.4 lb. RIVER 2 Max takes the most solar at 220 W, so it refills fastest. RIVER 2 Max is the cheapest at $289, and it also leads on solar input.
How long they run common devices
| Device | BLUETTI EB70S | EcoFlow RIVER 2 Max |
|---|---|---|
| Fridge (60 W) | 10 hours | 7.5 hours |
| CPAP (40 W) | 15 hours | 11 hours |
| Starlink (100 W) | 6 hours | 4.5 hours |
| Laptop (60 W) | 10 hours | 7.5 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 |  BLUETTI |  EcoFlow |
|---|---|---|
Battery Wh, size | 716 Wh fridge about 10 hours | 512 Wh fridge about 7.5 hours |
AC output W, continuous | 800 W Fridge, CPAP, laptops, lights | 500 W Fridge, CPAP, laptops, lights |
Surge W, a second or two | 1,400 W motor start-ups | 1,000 W motor start-ups |
Solar input W, max | 200 W full in about 5 hours | 220 W full in about 3.5 hours |
Solar voltage range V, panels must fit | 12 to 28 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 | 21.4 lb two hands | 13.4 lb one hand |
Wh per pound battery for the weight | 33 Wh/lb higher is denser | 38 Wh/lb higher is denser |
Price brand store | $429 0.60 $/Wh | $289 0.56 $/Wh |
Price per Wh what you pay for storage | $0.60 lower is better value | $0.56 lower is better value |
| Buy | $429 · Details Brand store, Oct 28, 2026 | $289 · 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 BLUETTI store when we checked
Out of stock at the EcoFlow store when we checked
We may earn a commission if you buy through these links. It never changes a verdict.