Disclosure: We may earn a commission from Amazon links on this page. This helps support our independent testing.

Best value in its class. Anker quality at an unbeatable price.
WattsGeek Rating
"Highly Recommended"
The Anker SOLIX C1000 sets the new benchmark for speed and solar efficiency. It is the best overall value for users who prioritize fast recharging and stackable storage over ultra-lightweight portability.
In the crowded 1kWh portable power station market, the Anker SOLIX C1000 distinguishes itself not just with raw specs, but with thoughtful engineering. Anker has targeted the specific pain points of previous generations: slow charging and awkward shapes. By delivering a unit that charges fully in under an hour and features a stackable, flat-top design, the C1000 is built as much for the home workshop as it is for the campsite. With its competitive pricing and robust LiFePO4 chemistry, it poses a direct threat to the dominance of EcoFlow and Jackery.
The C1000 weighs 28.4 lbs (12.9 kg), making it the heaviest among the \"Big Three\" (compared to EcoFlow's 27 lbs and Jackery's 23.8 lbs). However, the trade-off is worth it for the form factor. Unlike units with fixed handles sticking out the top, the C1000 has ergonomic side handles and a completely flat top. This allows you to stack gear, phones, or even the expansion battery directly on top, maximizing space in a car trunk or closet. The unibody construction feels incredibly dense and premium.
With a 1056Wh capacity and 1800W AC output, the C1000 is a versatile beast. The UPS function (<20ms switchover) also makes it a viable backup for desktop computers.
Thanks to SurgePad, we successfully ran a 2200W electric kettle. The water boiled slower than usual (due to voltage management), but the unit didn't trip—a crucial feature for emergency cooking.
Speed is the C1000's killer app. Plugging it into a standard AC outlet brings it to a full charge in under an hour (58 mins). If you are off-grid, the 600W solar input is a major advantage. Using three 200W panels, you can theoretically top this unit up almost as fast as wall charging, provided the sun is cooperating. It effectively eliminates \"range anxiety\" for power.
The C1000 is the ideal choice for RV owners and van lifers who have limited solar windows and need to harvest energy quickly. It is also excellent for home backup users who want a dedicated UPS for their home office that can easily be expanded with an extra battery later.
If you are a solo camper who hikes into sites, the 28.4 lb weight will be burdensome; the Jackery Explorer 1000 v2 is nearly 5 lbs lighter. Also, users who need extremely quiet operation might find the cooling fans aggressive during the fast-charging mode.
Vs. EcoFlow DELTA 2: The Anker charges faster (58 mins vs 80 mins) and accepts more solar (600W vs 500W). However, the Delta 2 has a slightly more mature app ecosystem.
Vs. Jackery Explorer 1000 v2: The Jackery is significantly lighter and more portable, but the Anker offers far better value in terms of charging speed, solar potential, and expansion capabilities.
The Anker SOLIX C1000 is a masterclass in efficiency. By combining the fastest charging speeds on the market with a practical, stackable design and a competitive price tag, it arguably offers the best \"bang for your buck\" in the 1kWh category. While it carries a bit of extra weight, the performance gains are undeniable. We rate it a 9.2/10.
| Feature | Laboratory Data |
|---|---|
| Total Capacity | 1,056 Wh |
| Continuous AC Output | 1,800 W (2,400W Surge) |
| Battery Chemistry | LiFePO4 |
| Cycle Life (80%+) | 3,000 Cycles |
| Charge Time (AC) | 58 min (0-100%) |
| Dimensions | 14.7 x 8.3 x 9.8 in |
| Net Weight | 27.9 lbs |
Price last checked on March 18, 2026
Approximate price. Actual prices may vary by retailer and change over time. Amazon prices fluctuate frequently and may differ from what is shown.