BLUETTI AC180 vs EcoFlow DELTA 3 Classic
Both are marketed for refrigerator backup and home essentials at a similar ~1,024-1,152 Wh capacity, making them a common two-way decision for shoppers sizing a station around a single major appliance rather than a whole house.
These picks are focused on the U.S. market. Before buying, confirm plug type, voltage (120V), warranty terms, and regional availability on the Amazon listing.
Last checked September 1, 2026 — see each product’s Specifications tab for full provenance.
Quick summary
- BLUETTI AC180 leads on capacity (wh) (1,152 Wh vs 1,024 Wh).
- EcoFlow DELTA 3 Classic leads on weight (12.1 kg vs 16 kg).
- BLUETTI AC180 leads on ac charging (max) (1,440 W vs 1,400 W).
A use case below only names a model as ahead when at least two independent, comparable fields agree (or the use case is defined by a single field, like solar charging). A single distinguishing field in an otherwise-tied or unverified category is named specifically, not counted as winning that use case.
Illustrative image — not an exact product photograph.
EcoFlow
DELTA 3 Classic
Spec comparison
Reused directly from the same catalog and winner-highlighting logic as the general Compare page. A blank or “Not verified” cell means the data isn’t on file — it is never treated as zero, and a difference is only highlighted when both values are actually known.
| Specification | BLUETTI AC180 | EcoFlow DELTA 3 Classic |
|---|---|---|
| Energy & output | ||
| Capacity (Wh) | 1,152 Wh | 1,024 Wh |
| Rated continuous output | 1,800 W | 1,800 W |
| Surge / peak output | Not verified | 3,600 W |
| Max expanded capacity | 4,224 Wh | Not verified |
| Portability | ||
| Weight | 16 kg | 12.1 kg |
| Energy per kg (Wh/kg) | 72 Wh/kg | 85 Wh/kg |
| Dimensions | 340 × 247 × 317 mm | 398 × 200 × 283 mm |
| Idle consumption | Not verified | Not verified |
| Charging | ||
| Solar input (max) | 500 W | 500 W |
| AC charging (max) | 1,440 W | 1,400 W |
| Charging time (stated) | 0-80% approx. 45 min; full approx. 1.3-1.8 h | Full charge approx. 1 hour via AC; approx. 2.5 h solar at 500W |
| Ports | ||
| AC outlets | 4 outlets | Not verified |
| USB-C ports | Not verified | 2 ports |
| USB-A ports | Not verified | 1 port |
| RV TT-30 outlet | No | No |
| Native 120/240V | No | No |
| Backup | ||
| UPS switchover | Not verified | 10 ms |
| Expandable | Yes | No |
| Battery | ||
| Battery chemistry | LiFePO4 | LiFePO4 |
| Cycle life (stated) | 3500+ cycles | Not verified |
| Warranty (stated) | 5 years | 5 years (3 standard + 2 with registration) |
| PowerMatch Score | ||
| Editorial score | 50/100 (Fair) · 5/5 dimensions | 48/100 (Fair) · 5/5 dimensions |
Scores are editorial calculations normalized against the whole PowerMatchLab catalog — not a lab test result. See the methodology.
Winner by use case
Each verdict below is derived only from the specific fields listed as criteria — never from overall impressions, and never from physical testing. A null field is neither a win nor a loss for either unit, and a category needs at least two independent fields to agree before it declares an overall winner (a category built around a single criterion, like solar charging, is the exception).
Refrigerator backup
No clear overall winner based on the data on file.
BLUETTI AC180 has the higher capacity (wh) among the data available, but surge / peak output and idle consumption are not verified for one or both units.
Criteria: Capacity (Wh), Surge / peak output, Idle consumption, Solar input (max) (2 of 4 comparable).
RV / van life
No clear overall winner based on the data on file.
BLUETTI AC180 has the higher expandable among the data available, but surge / peak output is not verified for one or both units.
Criteria: Rated continuous output, Surge / peak output, RV TT-30 outlet, Expandable (3 of 4 comparable).
Camping
EcoFlow DELTA 3 Classic edges ahead here.
Criteria: Weight, Energy per kg (Wh/kg), Idle consumption, Solar input (max) (3 of 4 comparable).
Home outage essentials
BLUETTI AC180 edges ahead here.
Criteria: Capacity (Wh), Rated continuous output, Native 120/240V, UPS switchover, Expandable (4 of 5 comparable).
Solar charging
No clear overall winner based on the data on file.
Criteria: Solar input (max) (1 of 1 comparable).
Portability
EcoFlow DELTA 3 Classic edges ahead here.
Criteria: Weight, Energy per kg (Wh/kg) (2 of 2 comparable).
Estimated autonomy
Calculated the same way as each product page’s runtime table: capacity_wh × 0.85 ÷ device_watts. These are planning estimates, not lab measurements or guarantees.
| Example load | BLUETTI AC180 | EcoFlow DELTA 3 Classic |
|---|---|---|
| Refrigerator (full size) (~150 W) | 6.5 h | 5.8 h |
| CPAP machine (no humidifier) (~40 W) | 24.5 h | 21.8 h |
| LED lights (a few rooms) (~40 W) | 24.5 h | 21.8 h |
Why your real result may differ
These figures are planning estimates from the inputs and assumptions above — not a lab measurement. Your real result can vary with:
- Temperature — cold reduces usable battery capacity; heat can trigger throttling
- Battery age and condition — capacity fades gradually with cycles and time
- Inverter efficiency — some energy is always lost converting DC to AC
- Variable appliance draw — most appliances don't pull a constant wattage
- Startup/surge power — a motor's brief startup spike can exceed its running watts
- Appliance settings — e.g. humidifier, fan speed, or temperature setting
- Conversion losses beyond the modeled efficiency assumption
- Real solar conditions — actual panel output is usually well below its rated watts
- The safety reserve is a margin for error, not a guarantee
Pros & limitations
From each product’s existing catalog entry — no personal impressions, noise, build-quality or real-world behavior is added here.
BLUETTI AC180
Pros
- 1152Wh capacity
- 1800W output
- 500W solar input
- Expansion battery support
Limitations
- Heavier than newer 1kWh competitors
- No native 240V
EcoFlow DELTA 3 Classic
Pros
- Fast AC charging
- 500W solar input
- 10ms UPS
- Compact 1kWh platform
Limitations
- Not expandable
- No native 240V output
Conclusion
BLUETTI AC180 has the higher capacity (wh) and ac charging (max) on file. EcoFlow DELTA 3 Classic has the higher weight on file.
There is no absolute winner between these two units based on the data currently on file.
If camping or home outage essentials or portability matters most to you, the EcoFlow DELTA 3 Classic has the edge on file for camping; the BLUETTI AC180 has the edge on file for home outage essentials; the EcoFlow DELTA 3 Classic has the edge on file for portability. For the other use cases evaluated above, the data on file doesn’t support picking one unit over the other — check which specific criteria matter for your situation.
Neither unit has been physically tested by PowerMatchLab. Before buying, enter your own devices in the Power Calculator — the numbers above use example loads, and your real appliances may draw differently.
BLUETTI AC180
Specs last checked September 1, 2026
Price, availability and current rating are shown on Amazon — PowerMatchLab does not display them because we have not independently verified them. As an Amazon Associate we may earn from qualifying purchases. Disclosure.
EcoFlow DELTA 3 Classic
Specs last checked September 1, 2026
Price, availability and current rating are shown on Amazon — PowerMatchLab does not display them because we have not independently verified them. As an Amazon Associate we may earn from qualifying purchases. Disclosure.