... you take when you are travelling,such as mobile phone ,digital camera ,ipod, MP3/MP4.1.Product details:1.Compact and light ... . For camcorders, digital cameras, 3.MP4s and cell phones by a bonding method.4.Microprocessor identifies 3.6-3.7V/7.2-7.4V Li ... . 7.5kg/carton fast universal battery charger for mobile phone ,digital camera ,ipod, MP3/MP4.