... laptop battery 4,Universal external battery I. Application: for 3C consumer product .II.Function Advantages: 1.Model:MP3450D(DIY type )2. ... 2. Car charger . 3. Solar panel 14.UPS function:with 15.Pass through charging:with 16.Capacity extended:can extended capacity to 100Wh ... rechargeable universal battery bank 8~20V/4.5A high capacity for Laptop, netbook, ,DVD,tablet PC, iPhone/iPad/iPod,mobile phone