Jackery Explorer 600 v2 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
These two cost the same, so the decision comes down to what you're powering.
- Jackery Explorer 600 v2 holds 19% more energy (640Wh vs 538Wh), so it runs the same load proportionally longer.
- Growatt VITA 550 has 200W more surge headroom (1200W vs 1000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Jackery Explorer 600 v2 is 1.5 lb lighter (16.1 lb vs 17.6 lb).
- Jackery Explorer 600 v2 is rated for 4,000 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 awkward middle child: too small for appliances, heavier and pricier than the device-charging tier. Buy it only on discount.
Best for: Campers who want more than a power bank but won't run appliances.
Where it falls short:
- 500W output blocks most appliances
- $399 sits uncomfortably close to 1kWh units on sale
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 600 v2 | Growatt VITA 550 |
|---|---|---|
| Price | $399 | $399 |
| Capacity | 640 Wh | 538 Wh |
| Continuous output | 500 W | 600 W |
| Surge output | 1000 W | 1200 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 4,000 | 3,000 |
| Weight (lighter wins) | 16.1 lb | 17.6 lb |
| Max solar | 200 W | 300 W |
| Recharge time (faster wins) | 1h 36m | 1h |
Runtime head-to-head
| Appliance | Jackery Explorer 600 v2 | Growatt VITA 550 |
|---|---|---|
| Refrigerator | 9.1 hrs | 7.6 hrs |
| Mini fridge | 17.3 hrs | 14.5 hrs |
| Chest freezer | 6.8 hrs | 5.7 hrs |
| CPAP machine | 13.6 hrs | 11.4 hrs |
| Sump pump | ❌ | ❌ |