How long does the Anker SOLIX C2000 Gen 2 take to charge?

Anker rates about 88 minutes on AC alone at 1,800W, or 58 minutes with AC and solar combined. At the full 800W of solar input, a charge takes about 2.6 hours in ideal sun. The optional 800W alternator charger fills it in about 3 hours of driving.

Will the Anker SOLIX C2000 Gen 2 run a refrigerator during a power outage?

Yes. With about 1,741Wh usable (2,048Wh x 0.85), a full-size fridge averaging a conservative 150W runs roughly 11.6 hours and an efficient fridge averaging 75W runs about 23 hours. The 2,400W output and 4,000W peak easily cover compressor startup.

Can the Anker SOLIX C2000 Gen 2 power a CPAP machine all night?

Yes, for several nights. At a conservative 40W a CPAP runs about 43 hours on a full charge, roughly five 8-hour nights, and longer for a machine drawing 8 to 20W with its humidifier off (ResMed's figures for an AirSense 10). With the heated humidifier at its highest setting (up to about 55W, or about 67W with a heated tube), expect about 26 to 32 hours, three to four nights.

How many solar panels can you connect to the C2000 Gen 2?

The input accepts 11-60V at up to 800W. In practice that means two 400W panels or four 200W panels wired in parallel, as long as each panel's open-circuit voltage stays under 60V. Series strings of most portable panels will exceed the voltage limit.

Is the Anker SOLIX C2000 Gen 2 expandable?

Yes. Anker lists expansion to 4kWh with one BP2000 Gen 2 expansion battery, which doubles runtime. For more than 4kWh, look at larger systems such as the Anker SOLIX F3000 (expandable to 24kWh).

Does the Anker SOLIX C2000 Gen 2 have an RV outlet?

Yes. It has a TT-30R outlet rated to 2,400W, so it plugs straight into a 30A RV inlet. It can run most RV loads, but a rooftop air conditioner at about 1,500W will drain it in a little over an hour.

What is the warranty on the Anker SOLIX C2000 Gen 2?

The Amazon US listing states a 5-year warranty. The LiFePO4 battery is rated for 4,000 cycles to 80% of its original capacity.

Anker SOLIX C2000 Gen 2 Review (2026): 2kWh at 41.7 lb

The Anker SOLIX C2000 Gen 2 is a 2,048Wh LiFePO4 power station with 2,400W of AC output (4,000W peak), 800W of solar input, a TT-30 RV outlet and a 58-minute full recharge (AC plus solar), in a 41.7 lb case that sells for about $1,000. It is one of the lightest 2kWh stations in the US market and can expand to 4kWh with Anker's BP2000 Gen 2 battery.

How we evaluated it: Our picks are based on published specifications, pricing, warranty terms and owner reports. Runtime figures below are arithmetic from Anker's rated capacity, with the formula shown.

Anker SOLIX C2000 Gen 2Check price on Amazon

Anker SOLIX C2000 Gen 2 specs

Spec	Value (Anker rating)
Battery capacity	2,048Wh LiFePO4
AC output	2,400W continuous, 4,000W peak
AC outlets	NEMA 5-20R (20A) outlets and a TT-30R RV outlet, both rated to 2,400W
USB	3 USB-C (two at 140W, one at 15W), 1 USB-A (12W)
12V output	12V / 10A car socket
Solar input	800W, 11-60V (MPPT)
AC input	1,800W; about 88 minutes AC only, 58 minutes AC plus solar
Alternator charging	800W with Anker's alternator charger, 0-100% in about 3 hours
Expansion	Up to 4,096Wh with one BP2000 Gen 2 battery
UPS switchover	10 ms
Standby draw	9W
Cycle life	4,000 cycles to 80%
Weight	41.7 lb
Dimensions	18.1 x 9.8 x 10.1 in
Warranty	5 years (per the Amazon listing)
Price	About $1,000 (prices change often)

How long will the C2000 Gen 2 run your devices?

An inverter loses roughly 15% converting battery DC into 120V AC, so plan on less than the label. The formula: runtime (hours) = 2,048Wh x 0.85 / average load (W), which gives about 1,741Wh of usable AC energy.

The figures here use planning draws: a conservative 150W average for a full-size fridge (a new ENERGY STAR model averages closer to 63W, so expect longer runtimes) and a conservative 40W for a CPAP (ResMed's battery guide lists about 8 to 20W for an AirSense 10 with its humidifier off, measured through ResMed's 12V DC converter, so expect longer CPAP runtimes than shown, especially from a 12V outlet, and up to about 55W with the humidifier at its highest setting, or about 67W with a heated tube as well).

Device	Average draw	Estimated runtime
Wi-Fi router	10W	About 174 hours
CPAP	40W	About 43 hours (5 nights at 8 hours)
Mini fridge	60W	About 29 hours
55" LED TV	100W	About 17 hours
Full-size fridge (cycling)	150W	About 11.6 hours
5,000 BTU window AC	450W	About 3.9 hours
Space heater (high)	1,500W	About 70 minutes

Anker's own figure is "up to 32 hours" for a dual-door fridge, which assumes a lighter average draw of about 54W. Your fridge's real average depends on its age, size and how often the door opens.

Can it run a window AC, microwave or RV air conditioner?

The 2,400W continuous rating covers most single appliances in a home or RV: a 1,000-1,200W microwave, a coffee maker, a hair dryer, a 5,000-8,000 BTU window AC and most 13,500 BTU RV rooftop units once running. The 4,000W peak rating is what handles compressor startup; RV air conditioners with a high starting current may still need a soft-start kit. Remember the runtime math: a 1,500W rooftop AC drains 1,741 usable Wh in a little over an hour.

It will not run 240V appliances such as a well pump or electric dryer. For that you need a split-phase unit like the Anker SOLIX F3800 Plus.

How long does it take to charge from solar?

Solar input is 800W at 11-60V. In ideal conditions that fills 2,048Wh in about 2.6 hours (2,048Wh / 800W). Real panels rarely deliver their full rating all day, so a planning figure of about 550W of average harvest gives roughly 3.7 hours of strong sun. The 60V ceiling means you connect most portable panels in parallel rather than in series; always check each panel's open-circuit voltage first.

Wall charging is the fastest route: 1,800W from a standard outlet, or 58 minutes to full when you combine AC and solar. Anker's 800W alternator charger (sold separately) fills it in about 3 hours of driving, which is useful for van and truck campers.

Is it expandable?

Yes, once. Anker lists expansion to 4kWh with a BP2000 Gen 2 expansion battery, which doubles every runtime in the table above. That is less headroom than the EcoFlow DELTA 3 Max Plus (up to 10kWh) or the Anker SOLIX F3000 (up to 24kWh), but it is enough to turn a weekend unit into a two-day fridge backup.

Does it work as a UPS?

Anker rates the switchover at 10 ms, fast enough for desktop PCs, routers, network storage and most CPAP machines. The 9W standby draw is low for this class, which matters if you leave it on around the clock as a backup.

Ports and app

The port mix favors laptops and RVs: two 140W USB-C ports charge large laptops at full speed without their bricks, and the TT-30R outlet plugs straight into a 30A RV inlet. The Anker app (Bluetooth or Wi-Fi) shows input and output in real time, lets you set charge limits, and switches between charging speeds.

What we like

41.7 lb is light for a 2kWh LiFePO4 station
2,400W output with 20A and TT-30 outlets
Two 140W USB-C ports
Fast recharge: 58 minutes on AC plus solar, 3 hours on the alternator charger
Expandable to 4kWh and rated for 4,000 cycles
5-year warranty

What we don't like

800W solar input and a 60V ceiling limit how many panels you can connect
Expansion stops at one extra battery (4kWh)
No wheels, so the unit plus a battery is a two-trip carry
120V only, no 240V output

C2000 Gen 2 vs EcoFlow DELTA 3 Max vs BLUETTI Elite 200 V2

Spec	Anker C2000 Gen 2	EcoFlow DELTA 3 Max	BLUETTI Elite 200 V2
Capacity	2,048Wh	2,048Wh	2,073.6Wh
AC output	2,400W (4,000W peak)	2,400W (4,800W surge)	2,600W (3,900W lifting)
Solar input	800W	500W	Full charge in about 2.4 h with 1,000W of panels (BLUETTI)
Weight	41.7 lb	44.8 lb	53.4 lb
UPS	10 ms	10 ms	15 ms
Price	About $1,000	About $899	About $899

The C2000 Gen 2 now costs about $100 more than the other two. It is the lightest and has more solar input than the DELTA 3 Max. The Elite 200 V2 has the most continuous output and a 6,000-cycle battery, but weighs about 12 lb more. The DELTA 3 Max is the pick if you already own EcoFlow panels or accessories.

Who should buy the Anker SOLIX C2000 Gen 2?

It suits a household that wants 2kWh of LiFePO4 for outages, weekend camping and RV trips, and wants something one person can lift. The fast recharge makes it good storm prep: plug it in when a warning goes out and it is full within about 90 minutes on AC alone. CPAP users get roughly five nights between charges.

Skip it if you need 240V or a big solar array (look at the F3000 or F3800 Plus), or if a 1kWh unit covers you; the C1000 Gen 2 costs about $400 less. More options are in our best solar generators under $1,000 roundup.

Final verdict

At about $1,000, the Anker SOLIX C2000 Gen 2 is a strong 2kWh choice: light, quick to recharge, well equipped with 140W USB-C and TT-30 ports, and expandable to 4kWh. The 800W solar limit is its main compromise. If you plan to live off solar for days at a time, a unit with more solar headroom will serve you better; for outage prep and weekend trips, it is an easy recommendation.

Anker SOLIX C2000 Gen 2Check price on Amazon

Anker's cheaper 2kWh option is the SOLIX S2000 (2,010Wh, about $680); see the Anker SOLIX S2000 review.

The C2000 Gen 2 replaced the Anker SOLIX F2000, which had the same 2,048Wh battery and 2,400W output in a 67.3 lb case on wheels.

If you want 3kWh or more in one box without passing $2,000, our best solar generators under $2,000 has four, led by the 3,840Wh BLUETTI Elite 400.

Another 2kWh unit with a TT-30R outlet is the OUPES Mega 2, with 2,500W and expansion to 10.24kWh, though OUPES marked it and the newer Mega 2 Pro sold out on November 10, 2026.