The Lithium Battery Power Indicator Board 1-8s is a small circuit board designed to monitor the voltage of lithium batteries with 1-8 cells in series. It is commonly used in RC models, drones, and other battery-powered devices to provide real-time monitoring of the battery’s voltage level. The board features LED indicators that display the battery’s voltage level, making it easy to determine when the battery needs to be recharged. It is a simple and reliable solution for monitoring lithium battery levels, ensuring safe and efficient operation of battery-powered devices.