Jackery Explorer 1000 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 $350 less. Whether that gap is worth closing depends on what you need to run.
- Jackery Explorer 1000 holds 86% more energy (1002Wh vs 538Wh), so it runs the same load proportionally longer.
- Jackery Explorer 1000 has 800W more surge headroom (2000W vs 1200W) — that decides whether a fridge, pump or AC compressor will actually start.
- Growatt VITA 550 is 4.4 lb lighter (17.6 lb vs 22 lb).
- Growatt VITA 550 uses LiFePO4 while the other uses NMC — roughly double the usable cycle life.
- Growatt VITA 550 is rated for 3,000 cycles vs 500 — meaningful if you cycle it daily.
If you plan to cycle the battery daily, think twice about the Jackery Explorer 1000. Its NMC cells are rated for 500 cycles against the LiFePO4 rival's longer life — over years of regular use that's the more expensive unit, whatever the sticker says.
The original Explorer 1000 — light and popular, but its Li-ion cells are rated for only ~500 cycles, a fraction of the LiFePO4 v2 that replaced it.
Best for: Occasional users who find it much cheaper than the v2.
Where it falls short:
- ~500 cycles vs 4,000 for the v2
- 1,000W output and 200W solar input
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 | Jackery Explorer 1000 | Growatt VITA 550 |
|---|---|---|
| Price | $749 | $399 |
| Capacity | 1002 Wh | 538 Wh |
| Continuous output | 1000 W | 600 W |
| Surge output | 2000 W | 1200 W |
| Battery | NMC | LiFePO4 |
| Rated cycles | 500 | 3,000 |
| Weight (lighter wins) | 22 lb | 17.6 lb |
| Max solar | 200 W | 300 W |
| Recharge time (faster wins) | 1h 42m | 1h |
Runtime head-to-head
| Appliance | Jackery Explorer 1000 | Growatt VITA 550 |
|---|---|---|
| Refrigerator | 14.2 hrs | 7.6 hrs |
| Mini fridge | 27.0 hrs | 14.5 hrs |
| Chest freezer | 10.6 hrs | 5.7 hrs |
| CPAP machine | 21.3 hrs | 11.4 hrs |
| Sump pump | ❌ | ❌ |