Cookies Quad 500mAh Adjustable Voltage Battery 20pk

Cookies Quad 500mAh Adjustable Voltage Battery. 20 Batteries in a display.

Capacity:500mAh
Charge voltage: 4.2V
Voltage: from 2.7V-4.2V
Preheat Mode:2 clicks

Click 3 times to change voltage,
Green light: 2.7V
Blue light: 3.3V
Yellow light: 3.8V
Red light: 4.2V