This cable has an indicator light. When it connects to a discharged battery, the light will turn to red. And then turn to green when the charge is finished.
Light weight and handy.

Specifications:
Compatible With: BAOFENG UV-5R BL-5L 3800 mAh Battery BF-UVB3 UV-X9 UV-10R UV-S9 PLUS Radios.

Cable Length: Approx. 1m/39.37 inches.
Connecter: Approx. 2.5mm/0.09 inch.
Color: Black.
Weight: Approx. 28g/piece.

Package Included:
-1 x 2.5mm USB Charger Cable.

Note: There is no power bank and battery in the package.