Model comparison
Anker's first C1000 against the Gen 2 that followed it. The C1000 is the cheaper energy, 3% less per watt-hour at the makers' prices, and takes an extra battery. The C1000 Gen 2 gives 200 W more continuous output, is 3.5 lb lighter and refills from the wall in 49 minutes against 58 minutes: buy it for that, and the C1000 for the money.
Anker SOLIX
$469.99 $599.99 at Anker SOLIX
Buy it if you want the most stored energy per dollar ($0.45 against $0.46 per Wh).
Anker SOLIX
$469.99 $599.99 at Anker SOLIX
Buy it if you carry it more than you run it (24.9 lb against 28.4 lb).
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Compare the differences that matter for your devices; Anker SOLIX C1000 leads on 4, Anker SOLIX C1000 Gen 2 on 7, and the rest are equal or not comparable.
| Field | C1000 | C1000 Gen 2 |
|---|---|---|
| Capacity | 1,056 Wh | 1,024 Wh |
| Output (surge) | 1,800 W (2,400 surge) | 2,000 W (3,000 surge) |
| Weight | 28.4 lb | 24.9 lb |
| Price | $469.99 | $469.99 |
| Price per Wh | $0.45 | $0.46 |
| Chemistry | LiFePO4 | – |
| Rated cycles | 3,000 to 80% | 4,000 to 80% |
| Max solar input | 600 W | 600 W |
| Max AC input | 1,300 W | 1,600 W |
| Wall recharge | 58 min to full | 49 min to full |
| Expandable | yes, to 2,112 Wh | no |
| UPS switchover | 20 ms | 10 ms |
| AC outlets | 6 | 5 |
| USB-C ports | 2 | 3 |
| Warranty | 5 years | 5 years |
| Dimensions | 14.8 x 8.07 x 10.5 in | 15.12 x 8.19 x 9.61 in |
Cycle counts are highlighted only when both makers rate them to the same remaining capacity. A full recharge is not ranked against a charge to 80%. Missing figures never count as an advantage. These are manufacturer ratings; matching endpoints do not prove identical test conditions.
Rated cycles: C1000, 3,000 to 80%; C1000 Gen 2, 4,000 to 80%.
| Field | C1000 | C1000 Gen 2 | Meaning |
|---|---|---|---|
| Capacity | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Output (surge) | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Weight | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Price | C1000: price record · checked 5 Oct 2026 | C1000 Gen 2: price record · checked 7 Oct 2026 | Manufacturer figure; unknown remains unknown |
| Price per Wh | C1000: price record · checked 5 Oct 2026 | C1000 Gen 2: price record · checked 7 Oct 2026 | Price ÷ rated Wh; calculated, not measured |
| Chemistry | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Rated cycles | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Stated cycles and remaining-capacity percentage; conditions may differ |
| Max solar input | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Max AC input | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Wall recharge | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Keep the full or 80% charge endpoint |
| Expandable | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| UPS switchover | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| AC outlets | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| USB-C ports | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Warranty | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
| Dimensions | C1000: specification record · checked 6 Sep 2026 | C1000 Gen 2: specification record · checked 6 Sep 2026 | Manufacturer figure; unknown remains unknown |
Estimated AC energy = rated Wh × 0.85. Runtime = estimated AC energy ÷ load W, with no reserve. Capacity and weight differences use the displayed figures; price per Wh uses each model's own price record and date. Device-load inputs are in the sizing calculator.
Check whether each unit has enough battery and output for the devices you want to run.
| Job | Needs | C1000 | C1000 Gen 2 |
|---|---|---|---|
| a day of home backup (a full-size refrigerator, a router, phones and lights for a day) | 2,323 Wh, 92 W running, 1,351 W start | no: too little capacity | no: too little capacity |
| a night of CPAP (a CPAP with its humidifier for one 8-hour night) | 599 Wh, 53 W running, 104 W start | yes | yes |
| two nights of camping (a compressor cooler, lights, phones, a laptop and a fan for two nights) | 2,066 Wh, 157 W running, 157 W start | no: too little capacity | no: too little capacity |
| a day in an RV (a 12 V fridge, lights, TV, coffee maker, phones and a laptop for a day) | 648 Wh, 156 W running, 156 W start | yes | yes |
| a working day in a van (a working day of laptop, Starlink, fridge, lights and a fan) | 2,295 Wh, 244 W running, 244 W start | no: too little capacity | no: too little capacity |
| a laptop and two phones (a laptop for six hours and two phone charges) | 396 Wh, 60 W running, 60 W start | yes | yes |
Hours = capacity × 0.85 ÷ device watts, with the draws from the device table; "start" is whether the inverter's surge clears the device.
| Device | Draw W | C1000 h | Start | C1000 Gen 2 h | Start |
|---|---|---|---|---|---|
| CPAP machine (with heated humidifier) (with humidifier) | 53 | 16.9 | yes | 16.4 | yes |
| Refrigerator (full-size, ENERGY STAR, ~18 cu ft top freezer) (average draw) | 41 | 21.7 | yes | 21.1 | yes |
| Laptop (MacBook Air, charging) | 40 | 22.4 | yes | 21.8 | yes |
| Wi-Fi router | 24 | 37.4 | yes | 36.3 | yes |
| Starlink Standard kit (dish + router) | 88 | 10.3 | yes | 9.9 | yes |
| TV, 50-inch LED / Crystal UHD | 89 | 10.1 | yes | 9.8 | yes |
| Space heater, 1500 W | 1,500 | 0.6 | yes | 0.6 | yes |
More tracked models from both brands: Anker SOLIX and Anker SOLIX. Every unit at this size: the full table. Your own devices: the sizing calculator.
Anker SOLIX C1000 states a 20 ms switchover, so it can sit between the wall and a fridge, router or CPAP and take over when the power cuts; Anker SOLIX C1000 Gen 2 states 10 ms. Anker SOLIX C1000 holds more (1,056 against 1,024). Check your appliance's start-up watts against the surge figures in the table.
C1000 at $0.45 per Wh against $0.46. This compares purchase price with rated capacity, not lifetime delivered energy.
A small window unit draws 500 to 1,000 W running and several times that for an instant at start; check the surge figure in the table against the air conditioner's label. Either way an afternoon of it empties a 1 kWh unit; the RV page works the rooftop version.
