Bluetti AC180 vs Growatt INFINITY 1500
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Bluetti AC180 costs $300 less. Whether that gap is worth closing depends on what you need to run.
- Growatt INFINITY 1500 holds 31% more energy (1512Wh vs 1152Wh), so it runs the same load proportionally longer.
- Growatt INFINITY 1500 has 300W more surge headroom (3000W vs 2700W) — that decides whether a fridge, pump or AC compressor will actually start.
- Bluetti AC180 is 0.1 lb lighter (37.4 lb vs 37.5 lb).
- Bluetti AC180 is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
Neither of these will start a sump pump or well pump — both surge below the ~3,400W those motors need. If home backup with pumps is your use case, look at higher-surge models instead of either of these.
A solid mid-size unit that competes on price rather than any standout spec. 1152Wh is a useful step above the 1kWh crowd.
Best for: Buyers who catch it on sale and want slightly more than 1kWh.
Where it falls short:
- 37.4 lb is heavy for its capacity
- 2700W surge is mid-pack
- Not expandable
A capable mid-size that flies under the radar. Solid 2,000W output and fast charging, let down mainly by a shorter warranty than the big brands.
Best for: Value hunters who want 1.5kWh and don't need the longest warranty.
Where it falls short:
- 3,000W surge is modest for the output
- 3-year warranty vs 5 from the majors
| Spec | Bluetti AC180 | Growatt INFINITY 1500 |
|---|---|---|
| Price | $799 | $1099 |
| Capacity | 1152 Wh | 1512 Wh |
| Continuous output | 1800 W | 2000 W |
| Surge output | 2700 W | 3000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,500 | 3,000 |
| Weight (lighter wins) | 37.4 lb | 37.5 lb |
| Max solar | 500 W | 800 W |
| Recharge time (faster wins) | 1h 30m | 1h 50m |
Runtime head-to-head
| Appliance | Bluetti AC180 | Growatt INFINITY 1500 |
|---|---|---|
| Refrigerator | 16.3 hrs | 21.4 hrs |
| Mini fridge | 31.1 hrs | 40.8 hrs |
| Chest freezer | 12.2 hrs | 16.1 hrs |
| CPAP machine | 24.5 hrs | 32.1 hrs |
| Sump pump | ❌ | ❌ |