In-Car Charger/Adapter for Various LENOVO Laptop Models Output power Rating: 20V, 4.5A, 90W (Please check that this power rating matches your AC Adapter) General Features: In-Car Power Adapter: Power/Charge your laptop on the move in cars. Fast USB (Quick Charge 3.0) Charging: With special design USB power port, giving you the capability of charging all your standard USB devices. Specifications: DC Input: 11-15V max 10A DC Output: 20V, 4.5A USB Output (Quick Charge 3.0): DC 3.6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A Maximum output Power (Continuous): 90W DC Connector Size: 7.9mm x 5.5mm with centre pin Package Includes: Car Adapter/Charger (as pictured) Compatible with following models: (Not a complete list. Please contact us if unsure) ThinkPad L Series: L420, L430. ThinkPad T Series: T60, T60p ,T61 T61p, T400, T410, T410s, T420, T420i, T430, T430u, T510, T530. ThinkPad X Series: X60, X60s, X61 X61s, X200, X210, X220, X220i, X230, X1 Carbon, X131e, X140e-01, X140e-02, X140e-03, X140e-04, X140e-05 How to Use Car Cigarette Lighter Accessories 1. Make sure that your accessory is equipped with a cigarette lighter adapter. 2. Remove the burner unit or cap (comes standard in most cars) and plug the accessory's adapter into the lighter. 3. Start up the car. 4. Turn on the accessory and use it as needed.