C21 21x18650 flight battery charger box holder DIY shell case Dual USB 18650 battery shell storage organize

Function:
Digital display screen with power supply, detachable, welding free, anti reverse protection design, can charge 21 18650 flat head batteries, provide super large capacitance, and have LED lighting design, suitable for outdoor travel

Self made DIY power bank kit, which allows you to configure your own power bank. The battery capacity is larger and more durable, which can better solve your charging probl.

Suitable for people with high charging needs, equipped with 3 types of charging interfaces for DC, USB, Type-C can charge the charging case.

displaying the battery level, you can know the remaining power anytime, anywhere, to better charge your phone or other devices.

Equipped with a lanyard, it is more convenient to carry and can be carried wherever you go.


Product :
Model: C21
Maximum output power: 22.5W
Dimensions: Thickness 65mm, Width 80mm, Height 178mm
Product colors: black, white, green
Output: 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A
DC output: 5V/3A, 9V/2A/12V/1.5A (when using this interface, USB interface and type C interface cannot be used)
DC interface size: 5.5*2.1
Input: 5V/3A, 9V/2A, 12V/1.5A

 

There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. If you do not understand what you can contact customer service at any time, I wish you a happy shopping.