Genuine HP #0957-2385 AC Power Adapter 22V 455mA w/Charger Power Supply Cord. Fits HP 1010, 1510, 1512, 1513, 1518, 2540, 2542, 2544, 2548 and 2620. Condition is very good pre owned used, minor scuffs and marks from normal wear, Tested, see photos for details.