Build Your Own Power Bank

This DIY power bank case allows you to create a custom portable charger using 18650 batteries. It serves as a universal charger set, enabling you to assemble a power solution tailored to your specific needs.

Adjustable Voltage Output

The key feature of this power bank box is its adjustable voltage output, ranging from 3.6V up to 21V. This versatility makes it suitable for charging a wide variety of devices, including mobile phones and notebooks, provided you use the correct 18650 batteries and configuration.

Specifications

This product is an 18650 battery box designed for DIY projects. It is sold as a charger set and comes as a single bundle. Please note that the 18650 batteries are not included and must be purchased separately. The nominal capacity and size are not specified for this case.

Frequently Asked Questions:

What type of batteries does this DIY power bank case use?

This DIY power bank case is designed specifically for 18650 batteries. You will need to purchase these batteries separately as they are not included with the case.

What is the voltage output range of this power bank case?

The power bank case offers an adjustable voltage output, ranging from 3.6V up to 21V. This allows for flexibility in charging various compatible devices.

Does this product come with batteries included?

No, this product is a DIY power bank case and charger set. The 18650 batteries required for operation are not included and must be purchased separately.

Can I use this case to charge my laptop?

The case supports an output voltage up to 21V, which may be suitable for some lower-power notebooks or laptops that accept this voltage range via a compatible connector. Ensure your laptop's charging requirements match the case's capabilities.