Last updated: September 9, 2026
This is a manufacturer-specification refresh, not a lab test, score, or ranking. We checked the current official US product pages for the BLUETTI AC180 and EcoFlow DELTA 2 on September 9, 2026. An em dash means the current PDP did not print a numeric fact we could use. See How we compare for the sourcing rules.
Specs at a glance
| Printed PDP item | BLUETTI AC180 | EcoFlow DELTA 2 |
|---|---|---|
| Base capacity | 1,152Wh | 1kWh (rounded PDP wording; exact base Wh not printed) |
| Continuous AC output | 1,800W | 1,800W |
| Weight | About 16kg / 35.27lbs* | — |
| Maximum solar input | 500W | 500W |
| Cycle claim | 3,500+ cycles to 80% original capacity | 3,000+ full charge-and-drain cycles to 80% original capacity |
| Native capacity expansion | No; compatible batteries can charge it through Power Bank Mode | Yes; PDP describes 1–3kWh storage with an extra battery |
| Backup wording | Pass-through charging: Yes; no UPS/EPS label printed | EPS mode; automatic battery switchover, with no exact time printed |
| High-load wording | 2,700W Power Lifting Mode for heating devices; Tech Specs separately print 2,700W surge | X-Boost for appliances up to 2,200W; no surge figure printed |
*BLUETTI’s Tech Specs print about 16kg / 35.27lbs, while the portability section on the same PDP says 37lbs / 17kg. The table preserves that conflict rather than choosing a tidier figure.
Manufacturer sources: BLUETTI AC180 official US PDP and EcoFlow DELTA 2 official US PDP.
What the printed differences mean
The current pages do not support a blanket “winner.” Both print the same continuous AC output and maximum solar input. EcoFlow prints native extra-battery expansion; BLUETTI says the AC180 can be charged from named expansion batteries in Power Bank Mode but does not support capacity expansion with them. A numeric weight comparison is unavailable because EcoFlow’s current PDP does not print one, and BLUETTI’s own page contains two weight statements.
For current catalog context, use Compare. This article is specifically about DELTA 2; it is not a DELTA 3 row. Model-specific pack names matter, as the Anker SOLIX BP1000/C1000, Lion Safari XP/Safari, and Jackery Battery Pack 2000 Plus v2 notes show.
Frequently asked questions
Does the BLUETTI AC180 have more base capacity than the EcoFlow DELTA 2?
BLUETTI prints 1,152Wh for the AC180. EcoFlow’s current US PDP prints 1kWh for the DELTA 2 and describes 1–3kWh expandable storage, but it does not print an exact base Wh figure. We do not turn that rounded 1kWh label into a more precise number or declare a capacity winner.
Do the AC180 and DELTA 2 have the same continuous AC output?
Yes. Both current manufacturer PDPs print 1,800W continuous AC output.
Which unit is lighter?
A numeric comparison is not available from both current PDPs. BLUETTI’s Tech Specs print about 16kg / 35.27lbs for the AC180, while another section on the same PDP says 37lbs / 17kg. EcoFlow’s current DELTA 2 PDP calls the unit portable and light but does not print a numeric weight.
How much solar input do the PDPs print?
Both current PDPs print up to 500W solar input.
Can both power stations expand with an extra battery?
Not in the same way. EcoFlow prints 1–3kWh expandable storage and names the DELTA 2 Extra Battery. BLUETTI’s FAQ says the AC180 does not support capacity expansion with B80, B230, B300, or B300S batteries; those batteries can charge it through Power Bank Mode with the required cable.
What backup and high-load modes do the PDPs print?
EcoFlow prints EPS mode for automatic battery switchover and X-Boost for appliances up to 2,200W. BLUETTI prints pass-through charging, 2,700W Power Lifting Mode for high-power heating devices, and a separate 2,700W surge figure. EPS, pass-through charging, X-Boost, Power Lifting, and surge are not interchangeable labels.