If you spend a lot of weekends outdoors — camping, hiking, or just escaping for a long weekend — a reliable power source stops being a nice-to-have and becomes a necessity. The Anker SOLIX C300 is a compact, practical option for exactly that.

Anker SOLIX C300

Key specs

  • Capacity: 288Wh
  • Output: 300W
  • Weight: about 9 lbs (about 4 kg)
  • 8 charging ports: AC outlet, USB-C, car socket

Design and features

The Anker SOLIX C300 keeps things simple, with 8 different ports so it can charge almost anything at once — a laptop, a phone, a camp light, all running together.

Quiet operation

At just 25dB, it’s nearly silent, which makes it ideal for camping or anywhere you need to keep the noise down. Whether you’re running a fan to stay cool or powering a CPAP machine overnight, it won’t disturb your sleep.

Fast charging

The 140W two-way USB-C port takes it from empty to 80% in around 50 minutes. If you’re camping, you can also top it up with a compatible 60W or 100W solar panel.

Durability

It uses a lithium iron phosphate (LiFePO4) battery rated for up to 3,000 charge cycles, and Anker backs it with a 5-year warranty.

Is it worth it?

At roughly $219.99 (down from $299), it’s excellent value. Capable, portable, and durable — a solid pick for outdoor adventures, road trips, or a home backup battery.

How it compares to the rest of the lineup

If you want to see how the C300 stacks up against the C1000, F3000, and F3800 in capacity, output, and price, check our Anker SOLIX model comparison and latest prices. For a larger option built around remote work, read our Anker SOLIX C1000 digital nomad guide.