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:
 
2S lithium battery, full charge 8.4V
 
Battery voltage is greater than N X 3.5V, light 2 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)
 
Note:
 
The above data is a reference value, there will be about 2% error range.
 
Package included:
 
5 X 2S lithium battery pack power indicator board