Designed for fast paced commuters and drivers who want to stay connected but never be tied down, Brunton???s Torpedo??? 2600 works with the 12v power socket in your car or truck. Features an on-board lithium battery, so you can take the charge with you when you go. High-grade Lithium ION cells charge faster and last longer; no memory and minimal discharge; 1000 cycles at 80% capacity. Charge Time: DC car socket - 2 to 3 hours; USB - 3 hours, AC/USB - 3 hours. Power Storage: 2,600 mAH, Output: USB, Power Output: 1 AMP.