- New
This compact module provides a visual indication of the charge level for 4-series (4S) Lithium battery packs using a 5-segment LED bar graph.
The 4S Lithium Battery Power Indicator Module is designed to monitor and display the remaining charge of a 4-cell series Lithium battery pack. It features a convenient push-button 'TEST' function to activate the 5-LED bar graph, showing the battery's state of charge at a glance.
Ideal for portable devices, DIY power banks, electric bikes, and other applications requiring real-time battery level monitoring for 4S Lithium battery systems.