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; Battery voltage is greater than N X 3.3V, light 1 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:; 3 X 1S lithium battery pack power indicator board