Can the Solix C300X be charged with solar panels?

Yes, it is solar cell compatible, allowing you to recharge the 90,000mAh battery using portable solar panels when off-grid.

How many devices can it charge at once?

It features three USB ports in total: two USB-C ports and one USB-A port.

Is it safe to leave plugged in?

Yes, the LiFePO4 chemistry and integrated management system prevent overcharging and ensure safety during extended use.

What is the maximum output?

The unit provides a total power supply of up to 600W, supporting a wide voltage range from 5V to 28V.

Where is the Anker Solix C300X cheapest?

At Best Buy, for $299.99, as of our latest check.

Anker Solix C300X

Best price now

$299.99at Best BuyObserved at 2:33 AM

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Visit Best Buy

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Our take on the Anker Solix C300X

The Anker Solix C300X is a compact 90,000mAh portable power station featuring LiFePO4 battery technology for long-term durability. It delivers up to 600W of power and includes a built-in lamp, making it a versatile hub for charging electronics via USB-C and USB-A. At $299.99 at Best Buy as of November 7, 2026, it sits at a competitive price point for high-capacity portable DC power.

Best forOff-grid camping and outdoor recreationEmergency backup for mobile devices and laptopsUsers with portable solar panelsProfessional photographers and drone pilots

Pros

Long-lasting LiFePO4 battery chemistry
High 600W power output for a compact unit
Integrated LED lamp for emergency lighting
Supports USB-PD for fast laptop charging
Bluetooth connectivity for status monitoring

Cons

Limited to one USB-A port

Anker Solix C300X prices at every store

Best BuyNew
In stock
$299.99Free shippingObserved at 2:33 AM
Visit Best Buy

Store links may earn us a commission. Price via Klarna.

Anker Solix C300X price history

Lowest price we've seen: $299.99 on Nov 7 at Best Buy. Tracked across 1 store since Nov 7.

What reviewers say

Users appreciate the C300X for its vertical, space-saving design and reliable power delivery. It is frequently cited as a top choice for those who primarily charge USB-C devices and want a battery that lasts for years of cycles.

What people mention

PortabilityMixedWhile the vertical handle design makes it easy to move, the 145-ounce weight is noticeable during long walks.
Charging SpeedPraisedThe USB-PD support allows for rapid charging of high-drain devices like MacBooks and tablets.
Battery LifePraisedThe LiFePO4 cells are highly regarded for maintaining capacity over thousands of charge cycles.

Specifications

Questions and answers

Can the Solix C300X be charged with solar panels?: Yes, it is solar cell compatible, allowing you to recharge the 90,000mAh battery using portable solar panels when off-grid.
How many devices can it charge at once?: It features three USB ports in total: two USB-C ports and one USB-A port.
Is it safe to leave plugged in?: Yes, the LiFePO4 chemistry and integrated management system prevent overcharging and ensure safety during extended use.
What is the maximum output?: The unit provides a total power supply of up to 600W, supporting a wide voltage range from 5V to 28V.
Where is the Anker Solix C300X cheapest?: At Best Buy, for $299.99, as of our latest check.