4S 18650 12V Lithium Battery Capacity Indicator Module Percent Power Level Tester LED Display Board Module

4S 18650 12V Lithium Battery Capacity Indicator Module Percent Power Level Tester LED Display Board Module

This product is designed to measure and display the power level of individual lithium batteries, as well as multi-parallel lithium battery packs. By detecting the current voltage of the battery, it uses LED indicators to accurately show the corresponding voltage level.

Module parameters:

Product Name: lithium battery power display Panell put voltage: DC 3v-20v

Applicable battery: single lithium battery or a series of multiparallel lithium battery pack (3.7v standard lithium battery)

instructions:

The product is equipped with a key.   After a short press andrelease, it starts up and displays the current power, andturns off after 5 seconds.  In the shutdown state, press andhold the button for more than 2 seconds to turn on anddisplay the current power, and turn off after 5 minutes.  Inthe power on state, it can be turned off directly by pressingthe key.

when measuring the battery power, connect the positiveand negative poles of the battery to the board, and pressthe key to start up to indicate the battery power.

4 Series of battery power indicator:

25% First light on (voltage 13.6v or so)

50% second light (voltage around 14.4V)

75% Third light (voltage around 15.2)

100% fourth light (voltage around 16V)

note: color of board may vary according to availability.

PACKAGE INCLUDES:

1 X 4S 18650 12V Lithium Battery Capacity Indicator Module Percent Power Level Tester LED Display Board Module