Anker Portable Power Station SOLIX C300: In-Depth Review

Built on trusted LiFePO₄ battery technology and packed with user-friendly features, the Anker Portable Power Station SOLIX C300 promises to keep your devices running wherever your adventures take you. In this review, we take a detailed look at what the SOLIX C300 has to offer and how well it lives up to Anker’s reputation for quality and innovation.

Key Features and Specifications

The SOLIX C300 is engineered with versatility, speed, and durability in mind. Anker has designed this model to deliver serious utility in a compact frame, targeting users who want reliable energy while on the move.

Specifications Overview

Attribute	Detail
Brand	Anker
Model	SOLIX C300
Battery Type	LiFePO₄ (Lithium Iron Phosphate)
Capacity	288Wh
Output Power	300W Continuous, 600W Surge
Weight	4.1 kg (approx. 9 lbs)
Voltage	120V
Charging Ports	8 (3× AC, 2× USB-C, 1× USB-C (15W), 1× USB-A, 1× Car Socket)
Recharge Methods	Wall outlet, solar panels (60W–100W recommended), car port, USB-C PD
Solar Compatibility	Compatible with Anker 60W/100W solar panels (not PS30/PS200/PS400)
Recharge Time (AC)	0 to 80% in 50 minutes (140W fast charging)
Noise Level	25 dB @ 3.3 ft (near-silent)
Warranty	5 Years
Estimated Battery Life	3,000 Cycles / Up to 10 Years

This well-rounded feature set ensures that the SOLIX C300 doesn’t just compete — it leads in many categories, particularly with its rapid 140W two-way USB-C charging, lightweight build, and reliable battery chemistry.

Performance

Charging and Output

One of the biggest selling points of the SOLIX C300 is its fast-charging capabilities. Using the USB-C PD 3.1 port or a standard wall outlet, the unit can reach 80% charge in just 50 minutes — a rare feat in this size and class. Full charge from 0% takes approximately 1.5 to 2 hours depending on the input source.

In real-world tests, the SOLIX C300 efficiently powered:

• Mini Fridge (60W) – ~4.5 hours
• Laptop (50W) – ~5 hours
• LED Lights (10W) – ~20+ hours
• CPAP Machine (40W) – ~6 hours
• Mini Chainsaw (250–300W) – ~1 hour

It handles peak loads admirably with a surge capacity of 600W, which means you can briefly power tools or devices that momentarily exceed the continuous wattage rating without tripping the system.

Port Configuration and Versatility

The C300 comes with 8 ports thoughtfully distributed for everyday usage:

Port Type	Number of Ports	Max Output Per Port	Use Cases
AC (300W)	3	300W shared	Laptops, small appliances, fans
USB-C (140W)	2	140W total (fast in/out)	MacBooks, phones, tablets
USB-C (15W)	1	15W	Small electronics
USB-A (12W)	1	12W	Headphones, fitness trackers
Car Socket	1	120W	Car fridges, tire inflators

Anker’s attention to versatility ensures that users can charge multiple devices simultaneously without compromising performance.

Portability and Design

At just 4.1 kg, the C300 is 15% smaller than many competitors in the 300W class. Its compact design and smooth edges make it easy to slide into a backpack or stow in a car trunk. While it doesn’t include a strap by default, one can be purchased separately for shoulder carrying. Build quality is solid, featuring a durable dark gray shell that feels premium and resists minor scuffs.

Noise and Thermal Management

Emitting just 25dB from a distance of 3.3 feet, the SOLIX C300 is virtually silent — ideal for camping or nighttime indoor use. Thanks to smart internal temperature regulation, it remains cool under load and during rapid charging, enhancing both safety and longevity.

Customer Feedback

Customer response to the SOLIX C300 has been overwhelmingly positive. Reviews often highlight its compact size, ease of use, and excellent build quality. Here’s a synthesis of key customer insights:

Praise Highlights

• Portability: Many users appreciate that it’s light enough to carry in a backpack and doesn’t feel bulky during travel.
• Charging Speed: Repeatedly cited as one of the fastest-charging portable stations at this size/price point.
• Quiet Operation: Users mention they forget it’s even running.
• Durability: The rugged casing and solid handle system inspire confidence.
• Reliable Output: Smooth performance across devices from CPAP machines to drone batteries.

Constructive Criticism

• Solar Panel Compatibility: Some users were disappointed to find that not all Anker panels work with the unit. Compatibility is limited to 60W and 100W panels.
• Strap Not Included: While the unit is “strap-compatible,” it ships without one, requiring a separate purchase.
• Limited Capacity for Heavy Loads: A few reviewers noted it’s not meant for high-drain devices like kettles or microwaves — though that is expected at 300W capacity.

Overall, the sentiment leans heavily positive, with users often recommending the SOLIX C300 as a reliable choice for light to moderate energy needs.

Pros and Cons

Pros

Feature	Description
Fast Charging	80% in 50 minutes via AC or 140W USB-C PD
Compact & Lightweight	Only 4.1 kg; fits in a backpack
Quiet Operation	25dB makes it one of the quietest units on the market
Durable LiFePO₄ Battery	Long-lasting battery chemistry, safe and efficient
Versatile Port Array	8 output options support nearly all small and mid-size devices
High Build Quality	Solid design and premium feel
5-Year Warranty	Industry-leading coverage for peace of mind

Cons

Drawback	Description
No Included Strap	Advertised as travel-friendly but requires buying strap separately
Limited Solar Compatibility	Not compatible with several existing Anker panels (PS30, PS200, PS400)
Low Capacity for Power-Hungry Devices	Unsuitable for appliances over 300W continuously

Final Verdict

The Anker Portable Power Station SOLIX C300 is an exceptionally well-balanced product designed for users who value portability, reliability, and speed. Its 288Wh capacity and 300W output place it in the sweet spot for campers, travelers, remote workers, and anyone needing a dependable power reserve for small electronics and appliances.

What sets it apart from others in its class is the blazing-fast 140W two-way USB-C charging, near-silent operation, and top-tier LiFePO₄ battery chemistry. With 3,000 cycles of lifespan and a 5-year warranty, the SOLIX C300 is built for longevity, not just convenience.

It may not replace a full-fledged backup generator or handle energy-hungry tools, but it excels in what it’s designed to do — power your essentials, anywhere, quickly and quietly. The only real disappointments are minor: the lack of an included strap and limited solar panel compatibility. But these are small trade-offs considering the overall value.

Recommended For:

• Campers and RV travelers
• Digital nomads and remote workers
• Emergency preparedness kits
• Off-grid content creators and drone enthusiasts
• Eco-conscious users seeking solar compatibility

Enjoyed this review of Anker Portable Power Station SOLIX C300? Then be sure to check out our other portable power station reviews.

• Best 300W Portable Power Station
• Best 600W Portable Power Station
• Best 1000W Portable Power Station
• Best 2000W Portable Power Station
• Best Portable Power Station for CPAP
• Jackery Explorer 1000 v2 Portable Power Station