Anker SOLIX C1000 vs Anker 535 PowerHouse
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 535 PowerHouse costs $570 less. Whether that gap is worth closing depends on what you need to run.
- Anker SOLIX C1000 holds 106% more energy (1056Wh vs 512Wh), so it runs the same load proportionally longer.
- Anker SOLIX C1000 has 1650W more surge headroom (2400W vs 750W) — that decides whether a fridge, pump or AC compressor will actually start.
- Anker 535 PowerHouse is 11.7 lb lighter (16.7 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
A durable half-kWh unit for devices and light loads. Dependable, but the low output and slow charging make it a device-first companion.
Best for: Campers charging phones, laptops and lights, not appliances.
Where it falls short:
- 500W output is device-scale
- 120W solar input, slow recharge
| Spec | Anker SOLIX C1000 | Anker 535 PowerHouse |
|---|---|---|
| Price | $999 | $429 |
| Capacity | 1056 Wh | 512 Wh |
| Continuous output | 1800 W | 500 W |
| Surge output | 2400 W | 750 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 28.44 lb | 16.7 lb |
| Max solar | 600 W | 120 W |
| Recharge time (faster wins) | 58 min | 2h 30m |
Runtime head-to-head
| Appliance | Anker SOLIX C1000 | Anker 535 PowerHouse |
|---|---|---|
| Refrigerator | 15.0 hrs | ❌ |
| Mini fridge | 28.5 hrs | 13.8 hrs |
| Chest freezer | 11.2 hrs | ❌ |
| CPAP machine | 22.4 hrs | 10.9 hrs |
| Sump pump | ❌ | ❌ |