Multi-Voltage Power Indicator for versatile power systems - 3.7V 2S/3S/4S support: provides a clear power status indicator for selected multi-cell packs. - Car ready with backstop: includes a 12V car turn signal board backstop, enabling reliable operation in car electrical systems. - 1S compatibility: also supports single-cell use with voltages from 3.3 to 4.2V, offering flexible voltage compatibility. - Accurate power indication: delivers precise status information to help ensure safety and normal operation in relevant applications. - Broad applicability: suitable for battery powered devices and car electrical components, delivering dependable power indication. Use scenarios - In battery powered devices and RC setups using 2S to 4S packs to monitor power level and prevent unexpected shutdowns. - In automotive projects where the included backstop supports reliable integration with car electrical systems. - In single-cell projects or small electronics powered by 3.3–4.2V sources requiring clear power status signals.