Lucco 36W Car Charge Charger Power Car Adapter for 10.1-inch Lenovo Thinkpad Tablet 10/ Thinkpad Helix Compatible with Lenovo thinkpad 10 tablet/Thinkpad Helix. Connector: USB Rectangular shape. Length: 1.5m. Intelligent IC chip inside recognizes a fully charged battery and automatically switches to a saver mode to prevent overcharging. Input: DC12V-24V. Output: 12V. Current3A. Power36W. Convenient for travelers and businessmen.