Battery Light GLI VariLED. The GLI VariLED Professional is the brightest Bosch work light in a pocket format from the 18V range. It features three powerful LEDs with 420 lumens for intense illumination. Its innovative folding mechanism allows for space-saving storage and easy portability. It also offers an adjustable light beam (focused or diffuse) and up to nine adjustable lighting angles, making it suitable for a wide variety of applications. This work light is perfect for brightening small areas and includes an integrated rubber hook for hanging. The device is compatible with all Bosch Professional 18V batteries. Included in the package: belt clip.