Not Solder DIY Powerbanks Kit Spring Contact Design Aluminum Alloy Cylinder Case Supports 18650 21700 Cells 500+ Charge Cycles

Features: Type C interfaces weldingfree installation, assembly is easiers and more convenient.

Support 1 section 18650/21700 battery, flexible to adapt to a variety of battery types.

Provide 5V2A fast charging, high charging efficiency, save time.

Aluminum alloy shell is good heat dissipation performances, fashionable and beautiful appearance.

Builts-in overcharges, overdischarge, short circuits protections, to ensures the use of safe!

Specifications: Materials: Aluminum alloy Size: 10.3x2.6cm/4.06x1.02inch Color: White/Black/Blue/Pink/Red/Gold(optional)

Package Includes: 1PC powerbanks Kit

note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.