BLUETTI EB70S vs EcoFlow DELTA 3
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 3, 1,024 Wh vs 716 Wh.
- More AC output: EcoFlow DELTA 3, 1,800 W vs 800 W.
- Higher surge: EcoFlow DELTA 3, 3,600 W vs 1,400 W.
- More solar input: EcoFlow DELTA 3, 500 W vs 200 W.
- Higher solar voltage limit: EcoFlow DELTA 3, 60 V vs 28 V.
- Lighter: BLUETTI EB70S, 21.4 lb vs 27.6 lb.
- Lower brand-store price: BLUETTI EB70S, $429 vs $629.
EB70S and DELTA 3 differ mainly in size: DELTA 3 has the biggest battery at 1,024 Wh. EB70S is the lightest at 21.4 lb. DELTA 3 takes the most solar at 500 W, so it refills fastest. EB70S is the cheapest at $429.
How long they run common devices
| Device | BLUETTI EB70S | EcoFlow DELTA 3 |
|---|---|---|
| Fridge (60 W) | 10 hours | 15 hours |
| CPAP (40 W) | 15 hours | 22 hours |
| Starlink (100 W) | 6 hours | 8.5 hours |
| Laptop (60 W) | 10 hours | 15 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 | 1,024 Wh fridge about 15 hours |
AC output W, continuous | 800 W Fridge, CPAP, laptops, lights | 1,800 W Microwave, kettle, most kitchen gear |
Surge W, a second or two | 1,400 W motor start-ups | 3,600 W motor start-ups |
Solar input W, max | 200 W full in about 5 hours | 500 W full in about 3 hours |
Solar voltage range V, panels must fit | 12 to 28 V 1 panel, or 2 in parallel | 11 to 60 V 2 panels in series fits |
Solar inputs count | 1 input Solar input | 1 input Solar/Car input (XT60i) |
Weight lb | 21.4 lb two hands | 27.6 lb two hands |
Wh per pound battery for the weight | 33 Wh/lb higher is denser | 37 Wh/lb higher is denser |
Price brand store | $429 0.60 $/Wh | $629 0.61 $/Wh |
Price per Wh what you pay for storage | $0.60 lower is better value | $0.61 lower is better value |
| Buy | $429 · Details Brand store, Oct 28, 2026 | $629 · 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
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