... Lithium ion batteryCapacity:2200mAh Applicable Products:mobile phone ,MP3,MP4,for iPhone,DV,Digital cameras,Handheld game ... mAh which is 2-4 times that of mobile phone batteries.3, charge and discharge cycles ... -free anytime and anywhere to all small USB device, such as mobile phones, MP3, MP4, IPHONE, DV ... ,Equipped with a variety of USB adapters. For mobile phone 2200mAh small size mobile power pack