Battery Holder Case for Phone Electronics Fast Charging-blue

Battery Holder Case for Phone Electronics Fast Charging-blue Description

Features:
This battery case fit 18650 and 21700 battery, providing a compact and portable solution with integrated safety protections like overcharge and short circuit prevention for on the go power.
Featuring a aluminum alloy shell, a built in carabiner for easy attachment, and a high performances circuit board with multiple safety mechanisms, this power banks set ensures secure and efficient charging without complex tools.
Ideal for enthusiasts, electronics hobbyists, and outdoor adventurers, this set allows users to assemble their own portable energy source quickly and easily, enhancing customization and convenience.
Perfect for hiking, camping, travel emergencies, or daily commutes, this portable chargers offer a power backup with USB outputs to charging smartphones and small devices efficiently in various situations.
With simple assembly steps and practical interfaces, this power banks set delivers versatile charging capabilities, making it an essential accessory for mobile power needs.

Specifications:
Component: Aluminum Alloy
Size: about. 10.2x2.5cm/4.02x0.98in
Applicable battery: 18650/21700 (battery not included)
Color: White/Black/Blue/Red

Package Includes:
1pc Battery Box Case

note:
Case ONLY, other accessories NOT include.
Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.