Li-Ion 3S Battery Percentage Indicator Module

From the shop's description

Li-Ion 3S Battery Percentage Indicator Module The Li-Ion 3S Battery Percentage Indicator Module is a compact battery voltage monitoring module designed for 3S Li-Ion battery packs. It uses a row of LED indicators to provide a quick visual indication of the battery’s approximate charge level, making it easy to monitor battery status without requiring a multimeter or dedicated display. The module is designed for battery packs with a nominal voltage of approximately 11.1V and a fully charged voltage of 12.6V. It features a simple two-wire connection, with red and black wires used for positive and negative battery connections. The built-in TEST button activates the LED display, helping reduce unnecessary battery consumption when the indicator is not being checked. Features: Designed for 3S Li-Ion battery packs. Four-level LED battery indication. Compact and lightweight design. Built-in TEST button. Simple two-wire connection. Easy-to-read battery status. Low-power monitoring design. Suitable for battery-powered projects. Easy installation and wiring. Specifications: Specification Value Product Type Li-Ion Battery Percentage Indicator Battery Configuration Li-Ion 3S Battery Chemistry Li-Ion Nominal Battery Voltage 11.1V Fully Charged Voltage 12.6V Indicator Type LED Number of LED Indicators 4 Indication Levels 25%, 50%, 75%, 100% Connection 2-Wire Positive Wire Red Negative Wire Black Activation TEST Button Mounting Type Panel / Surface Mount Display Method LED Bar Indicator Applications: 3S Li-Ion battery packs. DIY battery packs. Portable electronics. Robotics projects. RC vehicles. Electric equipment. Battery-powered tools. Arduino and microcontroller projects. Portable power systems. Battery monitoring applications. Packages Included: 1 × Li-Ion 3S Battery Percentage Indicator Module.