Features: Electric bicycle mobile phone charger with an input of 20V-80V allows two devices to charge simultaneously, supports QC3.0 fast charging, intelligently adjusts output, and does not damage the battery. Equipped with intelligent chip safety protections including overvoltage, overcurrent, overload, short circuit, and over temperature protection to improve charging efficiency and ensure safe use. LED voltage monitoring provides real-time monitoring of electric vehicle voltages to prevent issues caused by low voltage. Designed with a protective cover for dustproof and waterproof performance, helping prevent rain and dust from entering. Suitable for electric bike and electric motorcycle handlebars with a diameter of 22-25mm (0.86-0.98 inches) and mirror bases within a diameter of 10mm (0.39 inches). Specifications: Material: Plastic Voltage Indicator Light Color: Blue, Green, Red (optional) Size: Approx. 86x33x24mm (3.39x1.30x0.94 inches) Cable Length: Approx. 60cm (23.62 inches / 1.96 feet) Input: 20V-80V Output: White USB: 5V/2A, 10W Blue QC3.0 USB: 5V/3A, 9V/2A, 12V/1.5A, 18W Applicable Voltages: 24V, 36V, 48V, 60V (72V disabled) Note: Not suitable for 12V motorcycles. Allow 0-1cm error due to manual measurement. Slight color differences may occur due to variations in display resolution. Package Includes: 1 x E-bike USB Charger