Anker SOLIX C1000 vs Anker SOLIX C800
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
Anker SOLIX C800 costs $400 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX C1000 holds 38% more energy (1056Wh vs 768Wh), so it runs the same load proportionally longer.
- Anker SOLIX C1000 has 800W more surge headroom (2400W vs 1600W) — that decides whether a fridge, pump or AC compressor will actually start.
- Anker SOLIX C800 is 3.5 lb lighter (24.9 lb vs 28.44 lb).
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.
The default recommendation for most people. It clears the 1kWh bar, recharges in under an hour, and undercuts almost everything with comparable specs.
Best for: First-time buyers who want one unit for camping and short outages without overpaying.
Where it falls short:
- 2400W surge won't start a sump pump or well pump
- Only 1056Wh — a fridge-plus-devices outage tops out around a day
The C1000's smaller sibling. Same fast-charging DNA at a lower price, but the 768Wh capacity puts it firmly in weekend-trip territory.
Best for: Campers and van-lifers powering electronics, lights and a mini fridge — not home backup.
Where it falls short:
- 300W solar input is low — slow to top off off-grid
- 1600W surge rules out most motor-driven appliances
| Spec | Anker SOLIX C1000 | Anker SOLIX C800 |
|---|---|---|
| Price | $999 | $599 |
| Capacity | 1056 Wh | 768 Wh |
| Continuous output | 1800 W | 1200 W |
| Surge output | 2400 W | 1600 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 28.44 lb | 24.9 lb |
| Max solar | 600 W | 300 W |
| Recharge time (faster wins) | 58 min | 58 min |
Runtime head-to-head
| Appliance | Anker SOLIX C1000 | Anker SOLIX C800 |
|---|---|---|
| Refrigerator | 15.0 hrs | 10.9 hrs |
| Mini fridge | 28.5 hrs | 20.7 hrs |
| Chest freezer | 11.2 hrs | 8.2 hrs |
| CPAP machine | 22.4 hrs | 16.3 hrs |
| Sump pump | ❌ | ❌ |