The Anker SOLIX C300 DC is a uniquely compact and efficient portable power station designed for users who rely on DC and USB-powered devices.
Whether you’re a mobile professional, a minimalist camper, or someone building an emergency backup kit, this unit stands out for its portability and DC-specific performance. This guide covers everything you need to know — from real specs and ports to ideal use cases and charging options — so you can decide if the C300 DC is the right fit for your needs.
Product Specifications
| Feature | Specification |
|---|---|
| Battery Capacity | 288Wh |
| Max Total Output | 300W |
| Battery Type | LiFePO₄ (3,000+ cycles to 80%) |
| Weight | 2.8 kg (6.17 lbs) |
| Size | 12.4 × 12.0 × 20.0 cm |
| Output Ports | 1× Car Socket (12V/10A), 2× USB‑A, 4× USB‑C |
| USB-C Outputs | Up to 140W (C2 & C3), 100W (C1), 15W (C4) |
| Solar Input | 11–28V, up to 100W (XT60) |
| AC Charging | Via USB-C (up to 140W input) |
| App Connectivity | Yes (Anker App via Bluetooth/Wi-Fi) |
Performance
The Anker SOLIX C300 DC delivers reliable and efficient DC power without the energy losses that come with AC inverters. It supports a wide range of modern electronics and small 12V appliances, making it especially practical for travelers and digital nomads.
- 300W combined output across all ports
- Pure DC power = high efficiency, no inverter losses
- Silent operation, no fan noise
It’s best suited for powering things like:
- Laptops and tablets
- Cameras and drones
- CPAP machines (DC-compatible)
- 12V coolers or fans
Battery & Specs
The C300 DC is built with a LiFePO₄ battery, rated for over 3,000 charge cycles before dropping to 80% capacity. That gives it far better longevity than typical lithium-ion options.
Battery highlights:
- 288Wh capacity powers a laptop 4–5 times
- Safe and thermally stable battery chemistry
- Smart Battery Management System (BMS) protects against overcharging and overheating
- Wide temperature range for charging and use
Portability & Design
Portability is where the SOLIX C300 DC shines. At just over 6 lbs, it’s small enough to fit in a backpack, under a car seat, or in a bug-out bag. The handle is sturdy and the form factor is modern and minimalist.
Design Features:
- Lightweight for its class (6.17 lbs / 2.8 kg)
- Rubberized feet for stability on various surfaces
- Bright LED display for power status, input/output, and estimated run time
- Rugged enough for light outdoor use
Charging Options
The C300 DC is versatile when it comes to recharging — especially for users already using USB-C or solar setups.
Charging Methods:
- USB-C Charging (Input):
- USB-C2 and C3 support up to 140W input
- Full charge in ~2–3 hours depending on adapter
- Solar Charging:
- XT60 input, 11–28V, up to 100W
- Compatible with Anker 100W or third-party panels
- Car Charging:
- With compatible 12V adapter
- Pass-Through Charging:
- Supported while powering devices
This system allows for one of the fastest and most flexible recharges in its class — no bulky AC bricks required.
Price & Value
The Anker SOLIX C300 DC typically retails for $249–$299, depending on current promotions. Given its durable battery, efficient output, and compact design, it offers excellent value for users who know they don’t need AC.
What you’re paying for:
- High-quality LiFePO₄ battery with long lifespan
- Premium DC power architecture
- Compact design and app control
- 5-year warranty from Anker
Ideal Use Cases
This unit is tailored for very specific use cases — it’s not a catch-all solar generator. You should consider it if:
- ✅ You use mostly USB-C, USB-A, or 12V car appliances
- ✅ You want a silent, fan-free power source
- ✅ You need power on the go without heavy gear
- ✅ You want a reliable backup for small electronics
- ✅ You’re an off-grid creator, camper, or mobile worker
It’s not ideal if you need to run AC appliances or high-draw tools.
Pros and Cons
Pros
- Ultra-lightweight and compact
- High-efficiency DC power (no inverter losses)
- 140W USB-C input/output support
- Solar charging compatible (up to 100W)
- App-controlled with real-time metrics
- Quiet, fanless design
Cons
- ❌ No AC outlets
- ❌ Limited to 300W total output
- ❌ Only 288Wh — not for multi-day or AC-heavy tasks
- ❌ Requires USB-C or DC understanding for full use
Final Verdict
The Anker SOLIX C300 DC is a thoughtfully designed, DC-only portable power station for users who want fast, lightweight, and efficient charging for modern devices. It’s not a generator for powering large appliances or construction tools — but if you live in USB-C world, work on the go, or prep with compact gear, it’s one of the best ultralight options in the market.
Best For:
- Digital nomads
- Emergency tech backup
- CPAP users with DC adapters
- Minimalist campers and day trippers
- To activate C300 DC Portable Power Station for the first time: Recharge with an 18W or higher USB-C wall charger, such as an Anker USB-C charger…
- Massive Power on the Go: Take portable power anywhere and deliver 300W and 288Wh to your devices. Fast charge with two 140W two-way USB-C ports.
- LiFePO4 battery with a 3-year guarantee: featuring LiFePO4 batteries, smart temperature control, and impact-resistant design ensures this power…
FAQs
Can the Anker SOLIX C300 DC power a laptop?
Yes. It has multiple USB-C ports with up to 140W output, which can charge laptops like MacBooks, Dell XPS, or other USB-C PD devices quickly.
Can I use this for off-grid solar setups?
Absolutely. As long as your panel outputs 11–28V and up to 100W (XT60), it’s a great solar companion.
Does it have AC power output?
No. The C300 DC is a DC-only model with no AC inverter. For AC output, consider the Anker SOLIX C800 or similar.
How long will it power a CPAP?
With a DC-compatible CPAP, it can last 1–2 full nights depending on settings and humidifier use.
Last update on 2026-02-08 / Affiliate links / Images from Amazon Product Advertising API