Lithium Battery Capacity Indicator Module 4s 16.8v blue

Instructions:

Connect the positive and negative terminals of the display board and connect them to the positive and negative terminals of the tested battery. The digital display shows the real-time battery power.

Power parameters:

1S lithium battery, full charge 4.2V

2S lithium battery, full charge 8.4V

3S lithium battery, full charge 12.6V

4S lithium battery, full charge 16.8V

Battery voltage is greater than N X 3.3V, light 1 grid power

Battery voltage is greater than N X 3.5V, light 2 grid power

Battery voltage is greater than N X 3.7V, light 3 grid power

Battery voltage is greater than N X 3.9V, light 4 grid power

The battery voltage is less than N X 3.3V, the power indicator is all off, indicating that the battery is lower than 3.3V, the battery needs to be charged.(N is for the number of battery cells)