Growatt INFINITY 1500 vs Dabbsson DBS1000
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
Dabbsson DBS1000 costs $400 less. Whether that gap is worth closing depends on what you need to run.
- Growatt INFINITY 1500 holds 48% more energy (1512Wh vs 1024Wh), so it runs the same load proportionally longer.
- Dabbsson DBS1000 has 1000W more surge headroom (4000W vs 3000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Dabbsson DBS1000 is 12.5 lb lighter (25 lb vs 37.5 lb).
- Dabbsson DBS1000 is rated for 4,500 cycles vs 3,000 — meaningful if you cycle it daily.
Growatt INFINITY 1500
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
Dabbsson DBS1000
A 1kWh with a 4,000-cycle rating and expandability at a mid price — a credible value alternative to the mainstream 1kWh units.
Best for: Value buyers who want long cycle life and expansion at 1kWh.
Where it falls short:
- Smaller brand and support network
- Smaller support network
| Spec | Growatt INFINITY 1500 | Dabbsson DBS1000 |
|---|---|---|
| Price | $1099 | $699 |
| Capacity | 1512 Wh | 1024 Wh |
| Continuous output | 2000 W | 2000 W |
| Surge output | 3000 W | 4000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 4,500 |
| Weight (lighter wins) | 37.5 lb | 25 lb |
| Max solar | 800 W | 600 W |
| Recharge time (faster wins) | 1h 50m | 1h 30m |
Runtime head-to-head
| Appliance | Growatt INFINITY 1500 | Dabbsson DBS1000 |
|---|---|---|
| Refrigerator | 21.4 hrs | 14.5 hrs |
| Mini fridge | 40.8 hrs | 27.6 hrs |
| Chest freezer | 16.1 hrs | 10.9 hrs |
| CPAP machine | 32.1 hrs | 21.8 hrs |
| Sump pump | ❌ | 1.1 hrs |