12-48V Universal Battery Capacity Indicator Battery Power Display Tester Voltmeter(Green)

General description Reverse connection protection ensures safety during use. This battery capacity indicator features a user-friendly design with only two wires for easy connection. The device is equipped with a blue, green, or white backlit LCD display that clearly shows the power percentage, allowing users to visually monitor the remaining battery life. Additionally, it comes with a PVC film that makes the surface waterproof and is designed for easy installation with a built-in buckle, eliminating the need for screws.