XP18000A Energizer External Battery for Laptops and More! Comes with 6 laptop tips, 3 cell phone tips, 3 media tips,USB cable, 2 DC charging cables, AC adapter and travel bag. Can charge up to 3 devices at once. Up to 6 extra hours of laptop usage. 500 times rechargeable, free tips for life, tip fit guarantee and a 3 year warranty.