Anker SOLIX C2000 vs Growatt VITA 550
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
Growatt VITA 550 costs $900 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX C2000 holds 281% more energy (2048Wh vs 538Wh), so it runs the same load proportionally longer.
- Anker SOLIX C2000 has 2400W more surge headroom (3600W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- Growatt VITA 550 is 30.9 lb lighter (17.6 lb vs 48.5 lb).
Anker SOLIX C2000
2048Wh at $1299 with fast 70-minute charging. Sits between the C1000 and the F-series without a standout spec of its own.
Best for: Anker loyalists who want 2kWh and fast charging in one box.
Where it falls short:
- 3600W surge trails the DELTA 3 Max's 4800W at a higher price
- 3000 cycles vs 4000 from newer rivals
Growatt VITA 550
A tidy half-kWh unit with fast charging and a 1,200W surge that lets it start small appliances a 600W rating wouldn't suggest.
Best for: Campers who want fast charging and a bit of surge headroom at half a kWh.
Where it falls short:
- 538Wh is weekend-scale
- 3-year warranty
| Spec | Anker SOLIX C2000 | Growatt VITA 550 |
|---|---|---|
| Price | $1299 | $399 |
| Capacity | 2048 Wh | 538 Wh |
| Continuous output | 2400 W | 600 W |
| Surge output | 3600 W | 1200 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 48.5 lb | 17.6 lb |
| Max solar | 1000 W | 300 W |
| Recharge time (faster wins) | 1h 10m | 1h |
Runtime head-to-head
| Appliance | Anker SOLIX C2000 | Growatt VITA 550 |
|---|---|---|
| Refrigerator | 29.0 hrs | 7.6 hrs |
| Mini fridge | 55.3 hrs | 14.5 hrs |
| Chest freezer | 21.8 hrs | 5.7 hrs |
| CPAP machine | 43.5 hrs | 11.4 hrs |
| Sump pump | 2.2 hrs | ❌ |