4S 16.8V Battery Power Indicator - 18650 Li-ion lipo Lithium Battery Capacity Indicator Power LED Display PCB Board Meter Tester - with Switch (4S 16.8V)

Product description:

• 4S-16.8V Voltage Range

• L1:8V-10V

• L2:10V-13.0V

• L3:13.0V-15.0V

• L4:15.0V-16.0V

• L5:16.0V-16.8V.

• Battery Type: Lithium-ion batteries (3.8V to 4.2V)

• 4S-16.8V Voltage Range L1:8V-10V L2:10V-13.0V L3:13.0V-15.0V L4:15.0V-16.0V L5:16.0V-16.8V

• Release the finger, the LED light will go out, the light board line will be off, no current will pass; The board has a reverse connection function, and the line is not connected to the wrong one. It can be adjusted.

• Press or hold the red button with your finger during charging or discharging; the ED lamp lights up, and the current through the lamp board is about 30mA;

• There are 5 small lamps, which display the power, which is suitable for the reverse battery lithium battery power prompt.