4S 18650 Lithium Battery Capacity Indicator Module Level Tester LED

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

An intelligent electricity quantity display board designed to monitor the charge level of your 4S 18650 lithium battery pack. By slightly pushing the trigger switch, the module displays the battery level and automatically powers off after 3 seconds.

LED Indication:

• 25% –> First Light is on (Voltage: 4.2V)
• 50% –> Second Light is on (Voltage: 8.4V)
• 75% –> Third Light is on (Voltage: 12.6V)
• 100% –> Fourth Light is on (Voltage: 16.8V)

This module is a convenient and efficient tool to monitor the charge status of your 4S 18650 lithium battery pack, ensuring you always know the remaining battery life.

Package Includes:

1 x 4S 18650 Lithium Battery Capacity Indicator Module Level Tester LED