BLUETTI AC70 vs EcoFlow DELTA 3 Classic
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 Classic, 1,024 Wh vs 768 Wh.
- More AC output: EcoFlow DELTA 3 Classic, 1,800 W vs 1,000 W.
- Higher surge: EcoFlow DELTA 3 Classic, 3,600 W vs 1,500 W.
- More solar input: about the same (500 W vs 500 W).
- Higher solar voltage limit: about the same (58 V vs 60 V).
- Lighter: BLUETTI AC70, 22.5 lb vs 26.6 lb.
- Lower brand-store price: BLUETTI AC70, $359 vs $499.
AC70 and DELTA 3 Classic differ mainly in size: DELTA 3 Classic has the biggest battery at 1,024 Wh. AC70 is the lightest at 22.5 lb. AC70 and DELTA 3 Classic take the most solar at 500 W, so they refill fastest. AC70 is the cheapest at $359.
How long they run common devices
| Device | BLUETTI AC70 | EcoFlow DELTA 3 Classic |
|---|---|---|
| Fridge (60 W) | 11 hours | 15 hours |
| CPAP (40 W) | 16 hours | 22 hours |
| Starlink (100 W) | 6.5 hours | 8.5 hours |
| Laptop (60 W) | 11 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 | 768 Wh fridge about 11 hours | 1,024 Wh fridge about 15 hours |
AC output W, continuous | 1,000 W Fridge, TV, laptops, a coffee maker | 1,800 W Microwave, kettle, most kitchen gear |
Surge W, a second or two | 1,500 W motor start-ups | 3,600 W motor start-ups |
Solar input W, max | 500 W full in about 2 hours | 500 W full in about 3 hours |
Solar voltage range V, panels must fit | 12 to 58 V 2 panels in series fits | 11 to 60 V 2 panels in series fits |
Solar inputs count | 1 input XT60 (XT60PM-M) | 1 input Solar/Car input (XT60i) |
Weight lb | 22.5 lb two hands | 26.6 lb two hands |
Wh per pound battery for the weight | 34 Wh/lb higher is denser | 38 Wh/lb higher is denser |
Price brand store | $359 0.47 $/Wh | $499 0.49 $/Wh |
Price per Wh what you pay for storage | $0.47 lower is better value | $0.49 lower is better value |
| Buy | $359 · Details Brand store, Oct 28, 2026 | $499 · 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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