USB Port 12V Dual Waterproof Motorcycle Handlebar Charger Quick Charging 3.0 with Voltmeter Smart Phone Tablet GPS, Black

The LED display monitors the car battery voltage in real time (when no device is connected for charging); the charging current is displayed when the phone is charging 3.1A ultra high current output, based on intelligent distribution of different devices, The device is strongly protected at high speeds. Unbelievable quality, more durable Intelligent surge protection through fuse mode, dual smart chip with high-speed charging Built-in overcurrent, overvoltage protection, support trickle charge