Features:
1.Made of high-quality materials, durable and practical.
2.When the battery is under voltage, a red light flashes to indicate charging.
3.Ultra thin, small size, simple wiring, and convenient installation.
4.Efficient and stable performance, long working life.
5.As long as it does not soak in water, it has a high waterproof level and a wide range of applications.

Parameters:
Voltage:
1S: Lithium 2.7V, fully charged 4.2V
2S: Lithium battery 7.4V, fully charged 8.4V
3S: Lithium 11.1V, fully charged 12.6V
4S: Lithium battery 14.4V, fully charged 16.8V
5S: Lithium 18V, fully charged 21V
6S: Full 25.2V
7S: Full 29.4V
13S: Full 54.6V
16S: Full 67.2V
Size: 3.9 * 1.5 * 0.4CM
Exposed opening: 3.2 * 1.5CM

Wiring method:
1. Connect the red and black wires to the positive and negative electrodes of the battery
2. Connect the white wire to the negative pole of the charger

Package include:
Battery level display * 1