... output 4.5A max. 3,High capacity 50Wh laptop battery 4,Universal external battery I. Application: for 3C consumer product .II.Function ... Advantages: 1.Model:MP3450D(DIY type )2.Cell type:Li-Polymer 3.Cell Capacity:51Wh ... picture: rechargeable universal battery bank 8~20V/4.5A high capacity for Laptop, netbook, ,DVD,tablet PC, iPhone/iPad/iPod,mobile ...