Pecron E1000LFP 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 $200 less. Whether that gap is worth closing depends on what you need to run.
- Pecron E1000LFP holds 90% more energy (1024Wh vs 538Wh), so it runs the same load proportionally longer.
- Pecron E1000LFP has 1800W more surge headroom (3000W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- Growatt VITA 550 is 6.7 lb lighter (17.6 lb vs 24.3 lb).
- Pecron E1000LFP 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.
An expandable 1kWh at a budget price — unusual to find expansion this cheap, though the 1,000W output caps heavier loads.
Best for: Budget buyers who want a 1kWh they can later expand.
Where it falls short:
- 400W solar input is modest for the capacity
- Smaller brand support
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 | Pecron E1000LFP | Growatt VITA 550 |
|---|---|---|
| Price | $599 | $399 |
| Capacity | 1024 Wh | 538 Wh |
| Continuous output | 1800 W | 600 W |
| Surge output | 3000 W | 1200 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,500 | 3,000 |
| Weight (lighter wins) | 24.3 lb | 17.6 lb |
| Max solar | 400 W | 300 W |
| Recharge time (faster wins) | 1h 30m | 1h |
Runtime head-to-head
| Appliance | Pecron E1000LFP | Growatt VITA 550 |
|---|---|---|
| Refrigerator | 14.5 hrs | 7.6 hrs |
| Mini fridge | 27.6 hrs | 14.5 hrs |
| Chest freezer | 10.9 hrs | 5.7 hrs |
| CPAP machine | 21.8 hrs | 11.4 hrs |
| Sump pump | ❌ | ❌ |