GPK Systems Car Charger for Lenovo Ideapad K1 S1 Tablet Pc 78y7365 Y1001 Touchscreen Tab Dc Adapter Power Supply Cord Input: DC 11.5V - 16V Output: 12V 1.5A Service & Support 1 year warranty Use minimal power this adapter is designed to save energy Replacement power supply DC power adapter was tested to match and/or exceed original product at low price.