Lithium-ion 3S Battery Charge Level Indicator (11.1 V – 12.6 V)

This compact indicator is designed for quick visual monitoring of the charge level and operating voltage of 3-cell (3S) lithium-ion battery packs in the range from 11.1 V to 12.6 V. The module features a clear LED scale that displays the current state of the battery in real time. The device easily mounts into homemade equipment enclosures, portable speakers, flashlights or chargers, allowing the user to notice battery discharge in time without using a multimeter. Features: Product type: LED module for indicating battery capacity and voltage Specifications: 3S configuration, operating voltage 11.1 V – 12.6 V, real-time charge level scale, compact board Purpose: visual monitoring of residual charge in lithium-ion batteries in portable devices, DIY projects and power supplies