Spec Check: Anker SOLIX C1000
Anker's published C1000 specs (1,056Wh, 1,800W, 58-minute recharge) and what they mean in usable watt-hours.
Published · Updated

Anker lists the SOLIX C1000 at 1,056Wh LiFePO4, 1,800W continuous (2,400W surge), a 58-minute full recharge at up to 1,300W, 600W solar input and expansion to 2,112Wh. We estimate about 777 Wh usable through AC.
- 1,056Wh LiFePO4, 3,000 cycles to 80%+.
- 1,800W AC; expandable to 2,112Wh.
- Estimated ≈777 Wh usable via AC.
Manufacturer specs
Figures below come from the manufacturer pages listed under Sources, copied as published. We have not measured these units.
| Spec | Anker SOLIX C1000 |
|---|---|
| Rated capacity | 1,056Wh |
| Estimated usable (AC) | ≈777Wh (estimate) |
| Battery | LiFePO4, 3,000 cycles to 80%+ |
| AC output | 1,800W (surge 2,400W, SurgePad up to 2,400W) |
| Wall charging | Up to 1,300W, 0–100% in 58 min (HyperFlash) |
| Solar input | 600W max, 11–60V |
| Weight | 28.4 lb (12.9 kg) |
| Backup switchover | Under 20 ms (UPS mode) |
| Expansion | Expandable to 2,112Wh with an expansion battery |
Usable capacity: our estimate
Estimated usable AC energy: 1,056 Wh × 0.80 × 0.92 ≈ 777 Wh. That's our estimate (80% usable depth from Victron's LiFePO4 data, 92% inverter efficiency from NREL's PVWatts manual; an estimate for this unit), not a measurement. Real results vary with load size, temperature and the unit's own idle draw. DC and USB loads skip the inverter loss.
| Example load | Est. runtime |
|---|---|
| 15 W | ≈51.8 h |
| 60 W | ≈12.9 h |
| 150 W | ≈5.2 h |
| 250 W | ≈3.1 h |
Run your own loads through the Power Planner.
What the specs mean
1,800W covers most kitchen appliances and a fridge. The 600W solar input is the highest in our reference set. Expansion to 2,112Wh makes a full day of fridge backup possible. At 28.4 lb it's mid-weight.
Who it suits
Outage planners who may want to add capacity later, and campers who want fast solar recharging.

Anker SOLIX C1000 (1,056Wh)
1,056Wh capacity and 1,800W AC output.
Check price on Amazon (opens in a new tab)FAQ
Does the C1000 work with solar panels from other brands?
Anker lists an 11–60V XT-60 solar input with current limits. Check your panels' voltage and connector against that before buying.
Where do I go next?
Try the power planner to put numbers to your own situation, or see the product picks on the deals page.
Terms used here
- Watt (W)
- Rate of power use or production.
- Watt-hour (Wh)
- Energy: one watt for one hour.
- Depth of discharge (DoD)
- Share of a battery's capacity that is used.
- LiFePO4 (LFP)
- Lithium iron phosphate battery chemistry.
- Inverter
- Converts DC battery power to AC household power.
- Derate
- Factor for real-world losses in solar output.
Sources
This guide is informational and based on published specifications and general references, not hands-on testing. Check the manufacturer's current specs before you buy.