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Anker Solix C300 specifications and in-depth review

Anker Solix C300

Manufacturer: Anker

The Anker Solix C300 is a compact entry in the portable power station category, offering a practical balance of output capability and portability. Weighing 2,800 g and fitted with a carry handle, it is built for users who need reliable off-grid power without hauling bulky equipment. Its 288 Wh battery supports a range of everyday devices, and the unit includes a display, LED light, Wi-Fi, and Bluetooth connectivity alongside smartphone remote control.

On the power side, the Solix C300 delivers 300 W of continuous AC output with a 600 W peak, spread across 3 AC ports, 3 USB-C ports, 1 USB-A port, and 1 car port for a total of 8 outputs. Solar charging is supported at up to 100 W, with a charge time of approximately 3.13 hours under ideal input. The unit also features UPS mode with a 10 ms switchover speed, a rated lifecycle of 3,000 cycles, and a 5-year warranty.

Pros
  • UPS mode with a 10 ms switchover speed provides near-seamless backup power for sensitive devices
  • A rated lifecycle of 3,000 cycles indicates long-term durability for regular use
  • Wi-Fi, Bluetooth, and smartphone remote control allow flexible monitoring and management without being physically present
  • Eight total outputs across multiple port types accommodate a wide variety of devices simultaneously
  • At 2,800 g with a carry handle, the unit is light enough for one-handed transport
  • A 5-year warranty offers extended coverage for a product in this category
Cons
  • 300 W continuous AC output may not be sufficient for high-draw appliances
  • Solar input is capped at 100 W, which limits how quickly the battery can be replenished from panels
  • The display is not touch-enabled, which may reduce ease of on-device interaction
  • Only one USB-A port is available, which could be limiting when connecting older devices
  • TT-30 port is absent, restricting compatibility with RV-standard connections
Who is this for?

This unit is a practical fit for users who need portable backup power for everyday electronics — such as laptops, phones, and small appliances — whether at a campsite, during a power outage, or while traveling. The 2,800 g weight combined with a carry handle makes it manageable for solo transport, and the UPS mode with 10 ms switchover makes it genuinely useful for anyone running equipment that cannot tolerate sudden interruptions. The range of eight outputs, spanning AC, USB-C, USB-A, and car ports, also suits users who need to charge several different device types from a single source. Those looking to maintain charge via solar panels will find the 100 W solar input reasonable for day-to-day off-grid use.

Who is this NOT for?

Users with high-power appliances such as electric skillets, power tools, or larger medical devices will likely find the 300 W continuous AC output insufficient for sustained operation. The unit is equally ill-suited for those who need rapid solar recharging, since the 100 W solar input ceiling means topping up the battery takes over three hours under optimal conditions. Anyone requiring an RV-standard TT-30 connection will need to look elsewhere, as that port type is not included, and users who rely heavily on USB-A devices may find the single port a recurring bottleneck.

Power:

AC output 300 W
battery size 288 Wh
AC output (peak) 600 W
charge time (solar) 3.13 h
solar input (max) 100 W

The Anker Solix C300 carries a 288 Wh battery and delivers a continuous AC output of 300 W, with peak output reaching 600 W for brief high-demand loads. Solar charging is supported at a maximum input of 100 W, allowing the unit to fully replenish from a compatible panel in approximately 3.13 hours.

Ports:

number of outputs (total) 8
AC ports 3
USB-C ports 3
USB ports 1
car ports 1
TT-30 ports 0

The unit provides 8 outputs in total, made up of 3 AC ports, 3 USB-C ports, 1 USB-A port, and 1 car port, covering a broad range of device types in a single station. TT-30 port support is not included.

Design:

weight 2800 g
volume 6336.96 cm³
Has a display ✓
has a touch screen ✕
has a carry handle ✓
thickness 161 mm
height 240 mm
width 164 mm

The Anker Solix C300 measures 240 mm in height, 164 mm in width, and 161 mm in thickness, with a total volume of 6,336.96 cm³ and a weight of 2,800 g. It includes a carry handle for portability and features a display for monitoring status, though the screen is not touch-enabled.

Features:

has UPS mode ✓
lifecycle 3000 cycles
UPS switchover speed 10ms
has an LED light ✓
supports a remote smartphone ✓
supports Wi-Fi ✓
Has Bluetooth ✓
warranty period 5 years

The unit supports UPS mode with a 10 ms switchover speed, making it suitable for keeping connected devices running during brief power interruptions. Wireless connectivity is covered through both Wi-Fi and built-in Bluetooth, and smartphone remote control is also supported. Additional practical features include an LED light and a rated lifecycle of 3,000 cycles. The product is backed by a 5-year warranty.

Final Verdict

The Anker Solix C300 is a well-rounded portable power station that strikes a reasonable balance between compact form and functional output. Its UPS mode with 10 ms switchover speed and 3,000-cycle rated lifecycle give it a reliability edge that goes beyond simple charging duty, while the combination of Wi-Fi, Bluetooth, and smartphone remote control adds a layer of convenience suited to modern off-grid or backup-power scenarios. That said, its 300 W continuous output and single-panel solar ceiling mean it is best matched to light-to-moderate power needs rather than demanding loads. For users seeking a portable, connective, and durable station to cover everyday electronics and small appliances, the Anker Solix C300 represents a focused and capable option within its category.

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