Audiosnax Power Booster - Portable Universal Charger 2200mAh Battery type: Lithium ion 2200mAh Comes with the Power Booster Main Unit, a USB DC 3.5 Cable and 4 power adaptors: Apple Dock, Mini USB, Micro USB and Nokia LED light indicates charging status. Size: 3.6" x 1" x 1" Weight: 2.7 oz Lifetime Warranty