Lithium Battery 1S Charge Level Indicator (3.3 V - 4.2 V)

This compact LED charge level indicator is designed for quick visual monitoring of the remaining capacity and current voltage of single-cell lithium-ion (Li-ion) or lithium-polymer (Li-Po) batteries in 1S format (in the range from 3.3 V to 4.2 V). The module features a clear four-segment scale in the form of a battery icon that displays the current power status. The device offers simple connection and low self-consumption, making it an excellent solution for homemade power banks, flashlights and portable electronic devices. Features: Product type: LED battery capacity indicator module (Battery Capacity Indicator Module) Specifications: 1S configuration (for single Li-ion/Li-Po cells), operating voltage range 3.3 V – 4.2 V, four-segment battery icon scale, compact board Purpose: visual monitoring of remaining charge and voltage level in single-cell lithium batteries of portable devices and DIY projects