Anker SOLIX C1000 Gen 2 vs. Anker SOLIX S2000

The Anker SOLIX C1000 Gen 2 and the Anker SOLIX S2000 both hold about 1 to 2 kWh, but they aim at different loads. The C1000 Gen 2 gives 2,000 W in a 24.9 lb box, while the S2000 gives 1,500 W with 2,010 Wh of capacity.

This guide weighs the C1000 Gen 2 and the S2000 on the makers’ published specs, current in November 2026. PowerPicked Editorial did not test either of the two stations here.

What do the numbers mean?

Wh counts the energy a battery stores, written Wh. A watt measures power, and it is written W. AC output is the plug-in power for small loads. Solar input is the cap on how much panel power comes in.

Anker SOLIX C1000 Gen 2

Best fast-charge box

Anker SOLIX C1000 Gen 2

Capacity

1,024 Wh

AC output

2,000 W

Solar input

600 W

Weight

24.9 lb

Who it's for: People who want about 1 kWh and 2,000 W in a portable box, and don't need to add batteries.

Strengths

• 49-minute full AC charge
• 2,000 W output, 3,000 W peak
• Rated to keep 80% capacity after 4,000 cycles

Weaknesses

• Not expandable
• Lower solar input than the DELTA 3 Plus

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Work out the runtime figures here from 85% of the listed capacity, assumed. From 85% of 1,024 Wh, usable energy works out to 870.4 Wh. A 100 W draw lasts about 8.7 hours from that amount. Each pound holds about 41.1 Wh: 1,024 Wh over 24.9 lb.

It fills in about 49 minutes from AC. AC output reaches 2,000 W, with a 3,000 W peak. Its capacity stays at 80% after 4,000 cycles. It is not expandable.

Read the C1000 Gen 2 review.

Anker SOLIX S2000

Best 2 kWh home box

Anker SOLIX S2000

Capacity

2,010 Wh

AC output

1,500 W

Weight

35.7 lb

Who it's for: Home backup buyers who want 2 kWh for a fridge and essentials in a box one person can carry.

Strengths

• Rated 6,000 cycles to 80% and 10,000 to 60%
• 10 ms UPS switchover
• Listed at 30 dB

Weaknesses

• Not expandable
• No 12V car port

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Base the runtime figures in this section on 85% of the listed capacity, assumed. Eighty-five percent of the listed 2,010 Wh gives 1,708.5 Wh of usable energy. That energy keeps a 100 W load going for about 17.1 hours. 56.3 Wh per pound is what 2,010 Wh over 35.7 lb works out to.

Its cycle rating is 6,000 to 80% and 10,000 to 60%. The app lifts AC input to 1,600 W. A full charge from AC takes about 2.3 hours. The maker lists its noise at 30 dB. A 12V car port is missing. No extra battery joins it.

Read the S2000 review.

How do they compare?

How to choose

Start with the output your loads need. Capacity decides how long a run lasts before a refill. Solar input sets the panel refill speed. A lighter box is easier to carry. Expansion fits a home that adds batteries over time.

FAQ

Which one puts out more power?

The Anker SOLIX C1000 Gen 2, with 2,000 W. The Anker SOLIX S2000 gives 1,500 W.

Which one holds more capacity?

The Anker SOLIX S2000, with 2,010 Wh. The Anker SOLIX C1000 Gen 2 holds 1,024 Wh.

Which one charges fastest from AC?

The Anker SOLIX C1000 Gen 2, with a full charge in about 49 minutes. The Anker SOLIX S2000 fills in about 2.3 hours from AC.

Which one is the lighter box?

The Anker SOLIX C1000 Gen 2, at 24.9 lb. The Anker SOLIX S2000 weighs 35.7 lb.