4S Battery Charge Level Indicator Module (13.2 V - 16.8 V Range) with LED Scale

A compact indicator module designed to clearly display the charge level in 4S battery packs (four lithium cells connected in series with a total operating voltage from 13.2 V to 16.8 V). The board features a bright multi-segment LED display styled as a battery icon with four divisions, allowing real-time assessment of the power status. The module has low power consumption and easily integrates into DIY external batteries, instrument enclosures and portable devices. Key features: Product type: charge level indication module / LED battery indicator (Battery Capacity Indicator Module) Specifications: 4S configuration (for lithium batteries with an operating range of 13.2 V – 16.8 V), 4-segment LED scale in the shape of a battery icon, compact printed circuit board Purpose: visual monitoring of the remaining charge in Li-Ion and Li-Po battery packs