GPK Systems Car Charger for Hp Compaq 2210b 2230s 2510p 2710p 6510b 6515b 6530s 6531s 6535b 6535s 6710b 6710s 6715b 6715s 6730b 6730s 6735b 6735s 6830s 6910p 8510p 8510w 8710p 8710w 6510b 6530b Nc6400 Nc8430 Laptop Battery Charger Power Supply Cord Input: DC 11V - 16V Output:18.5V 3.5A 65 Watt Service & Support 1 year warranty Use minimal power this adapter is designed to save energy Designed exclusively for use with the laptops 100% compatibility with the original