Anker Solix C300X DC
(22 reviews)
288Wh, 100% USB-C with four 140W ports: the pocket station that charges four devices, laptop included, with no inverter and no losses. Light and portable.
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Characteristics
- Capacity: 288 Wh / 90,000 mAh (LiFePO4)
- Output: 100% USB-C, four 140W ports
- Ports: USB-C 140W, USB-A, 12V output
- Comfort: Built-in light, strap, solar charging
- 288Wh 100% USB-C, four 140W ports
Detailed overview: Anker Solix C300X DC 288Wh USB-C portable power station
The Anker Solix C300X DC is a compact 288 Wh (90,000 mAh) portable power station that takes the opposite approach to classic models: it is designed for direct current and USB-C, with no inverter and no 230V mains socket. This choice has two concrete consequences. First a lighter, more compact format, easy to carry, complemented by a supplied carry strap. Then better efficiency: by powering your devices directly over USB-C or 12V, it avoids the losses of conversion to 230V, which extends real-world runtime.
Its 288 Wh battery uses LiFePO4 (lithium iron phosphate) chemistry, known for its safety and longevity. Its trump card is USB-C connectivity: it offers four 140 W USB-C ports, several of them bidirectional (which also serve to recharge it quickly), enough to power up to four devices at once, laptop included. To this are added a USB-A port and a 12V output. A built-in light proves very handy outdoors or during an outage.
It recharges from the mains, in the car or via a compatible solar panel, ideal for staying self-sufficient for several days camping or on the move. On this partner site, it is often offered with a 60 W portable solar panel, for turnkey charging in the sun.
Compact, light and 100% USB-C, the Anker Solix C300X DC is aimed at campers, videographers, remote workers and travellers who want a reliable energy reserve for their USB and 12V devices, without the burden of an inverter-based station. Just check that your devices charge over USB-C or 12V before buying.
Full specifications
Detailed characteristics (EAN: 0194644200749)
Battery and capacity
| Rated capacity?Total stored energy in watt-hours. The higher the figure, the longer the runtime. | 288 Wh |
|---|---|
| Expandable capacity?Whether capacity can be increased with add-on batteries. | No |
| Removable battery?The main battery can be removed or replaced by the user. | No |
| Battery chemistry?LiFePO4 (LFP) lasts far longer and is safer than NMC. | LFP (LiFePO4) |
| Charge cycles?Number of full charges before capacity drops to the stated threshold. | 3000 cycles (80 %) |
Recharging
| Max solar input?Maximum solar power accepted at the input (PV panels). | 100 W |
|---|---|
| Accepted solar voltage?Panel voltage range compatible with the solar input. | 11 to 28 V |
| MPPT controllers?Number of independent MPPT solar inputs (yield optimisation). | 1 |
| Vehicle charging (12/24 V)?Can be charged from a vehicle's cigarette-lighter socket. | Yes |
Ports and connectors
| USB-C ports?Number of USB-C ports and the fastest port's power (laptops, phones). | 3 × 140 W |
|---|---|
| USB-A ports?Number of USB-A ports and maximum power (small devices). | 2 × 12 W |
| 12 V output (car socket)?12 V cigarette-lighter output and its power (coolers, pumps…). | Yes (120 W) |
Portability
| Weight?Net weight of the unit, battery included. | 2.8 kg |
|---|---|
| Dimensions (L × W × H)?Overall size of the unit in millimetres. | 124 × 120 × 200 mm |
| Form factor?Portable (hand-carried), transportable (heavy), or wheeled. | Portable |
| Wheels?Built-in wheels for moving the unit. | No |
| Telescopic handle?Retractable handle like a wheeled suitcase. | No |
Safety and environment
| Certifications?Standards and approvals obtained (CE, RoHS, UN38.3, UL…). | CE, RoHS, UN38.3 |
|---|
Backup / UPS
| UPS / EPS mode?Automatic switch to battery on a mains outage (backup). | No |
|---|
Noise and thermal
| Quiet mode?Setting that limits fan noise, often by capping charge power. | No |
|---|---|
| Self-heating battery?Battery pre-heating to allow charging in cold weather. | No |
Display and connectivity
| Display?Type of screen showing power, runtime and alerts. | LCD |
|---|---|
| Bluetooth?Bluetooth link for nearby control. | Yes |
| Wi-Fi?Wi-Fi connection for remote control and monitoring. | No |
| Mobile app?iOS / Android app to control the unit. | Yes |
| Local control (no cloud)?Control possible over Bluetooth without an account or internet. | Yes |
| Solar connector?Connector type of the solar input (XT60, Anderson, MC4…). | XT60 |
Availability and warranty
| Market launch?Date the model first became available on the European market. Useful to place its generation: technology moves fast in this segment, and a device several years old may be at the end of its commercial life. | August 2024 |
|---|---|
| Warranty?Length of the manufacturer's warranty. | 3 years |
User manual / Instructions for use
What is this power station best for?
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Camping & Tent Ideal
Designed for the outdoors, the C300X DC is a 100 % USB-C and 12 V station, with no inverter or conversion losses: its 288 Wh power a 12 V cooler, LED lighting and fans with excellent efficiency, and its powerful USB-C outputs up to 140 W recharge phones, tablets and a laptop directly. Ultra-light (2.8 kg) and silent, it slips into a bag and recharges up to 100 W from solar. Ideal for a lean camp built around 12 V; however, with no 230 V outlet, it cannot run any conventional mains device, coffee maker or hotplate included.
-
Hiking & Bivouac Suitable
At just 2.8 kg, the C300X DC is one of the few stations light enough for a trekking base camp: it acts as a charging hub for headlamps, GPS units, smartwatches, camera batteries and phones, with very fast USB-C outputs up to 140 W. Its 288 Wh of LiFePO4 last several days on measured needs, and a solar input up to 100 W recharges it at the bivouac with no outlet at all. Its lack of an inverter limits losses and maximises usable energy for mobile devices, exactly what you want far from the grid.
-
Photo & Video Suitable
For a nature outing, the C300X DC replenishes the essential gear without the weight of an inverter-based station: its USB-C outputs up to 140 W quickly recharge mirrorless bodies, drone packs, mics and a laptop, and its 288 Wh of LiFePO4 last several battery cycles between sequences. At 2.8 kg it disappears into the camera bag and recharges from solar up to 100 W. Its DC architecture avoids conversion losses, a real plus for USB devices. For a 230 V LED panel or a mains charger, however, an inverter-equipped station is required.
-
Road trip & Car Suitable
Built around 12 V, the C300X DC is an ideal van companion: it recharges while driving from the car socket or a 12 V outlet and keeps a cooler and your devices cold and charged at stops and overnight. Its powerful USB-C outputs up to 140 W quickly fill phones, tablets and a laptop, and its lack of an inverter maximises efficiency on these devices. Ultra-light (2.8 kg), it stows anywhere in the cabin. For long successive nights without driving, a small 100 W solar panel extends its autonomy; its 288 Wh remain modest for heavy needs, however.
Our team's recommendations based on the model's capacity, output power and weight.
Compatible solar panels
A selection of photovoltaic panels that suit this station's solar input (up to 28V / 100W), best match first.
Comparison
At around £214 to £342, the Anker Solix C300X DC compares with compact USB-C-focused power stations and DC stations, targeted by searches such as "USB-C power station" or "camping power station". Here is how it sits against three references: the EcoFlow TRAIL 200 DC, the Anker Solix C300 (AC version) and the EcoFlow RIVER 2.
| Criterion | Anker Solix C300X DC | EcoFlow TRAIL 200 DC | Anker Solix C300 (AC) | EcoFlow RIVER 2 |
|---|---|---|---|---|
| Capacity | 288 Wh | 192 Wh | 288 Wh | 256 Wh |
| 230V mains socket | No (100% USB-C/DC) | No (pure DC) | Yes (300W) | Yes (300W) |
| USB-C | Four 140W ports | 140W + 100W | 140W | 100W |
| Light / strap | Light + strap | Light (optional) | Built-in light | No |
| Observed price | ≈ £298 | ≈ £127 | ≈ £197 | ≈ £213 |
In short, the C300X DC stands out for its four 140W USB-C ports, a record for this format, ideal for charging several demanding devices at once. The TRAIL 200 DC shares the same DC philosophy for less, but with less capacity and fewer ports. The AC C300 adds 230V sockets for the same capacity. For a 100% portable use centred on USB-C, the C300X DC is the most complete, provided you do not need a mains socket.
Related video
Video: ANKER SOLIX C300 DC Review & First Impressions | Worth the Hype? (EU) - Published on 01/11/2024
Our tester's review: Christophe Delpuech
The C300X DC takes the opposite approach to classic small stations: here, no mains socket, everything goes through USB-C, and it is remarkably effective. You plug the phone, tablet and laptop straight into its 140W ports, with no inverter, which avoids losses and extends real-world runtime. With four 140W USB-C ports, you charge a MacBook at full speed while powering three other devices, real comfort in remote work or a van. Its 288Wh in a compact format slip easily into a bag thanks to the supplied strap, and the built-in light comes in handy while camping or during an outage. Solar charging lets you stay self-sufficient for several days. Two honest caveats: the absence of a mains socket restricts it to USB and 12V devices, you cannot plug in a small 230V appliance, and 288Wh is a backup capacity. But to charge your portable devices fast and loss-free, in a light and versatile format, it is an excellent choice.
Frequently asked questions: Anker Solix C300X DC 288Wh USB-C portable power station
No. It is 100% direct current: it powers your devices through four 140W USB-C ports, a USB-A port and a 12V output, but has no 230V socket. This choice makes it lighter and more efficient for portable devices.
Yes, and even several devices at once. With four 140W USB-C ports, it charges a laptop at full speed while powering a phone, a tablet and another device in parallel.
From the mains, in the car or via a compatible solar panel, letting you stay self-sufficient for several days. On this partner site, it is often offered with a 60 W portable solar panel.
Any device that charges over USB-C or 12V: phones, tablets, laptops, cameras, drones, small pumps. Its 288Wh make it an ideal backup reserve for camping or remote work.
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