... Charging method:1. AC power adapter . 2. Car charger . 3. Solar panel 14.UPS function:with 15.Pass ... to Laptop’s loading current higher than 2±0.2A. ; it will start charging MP3450D ifLaptop ... ’s loading current less than 2±0.2A. The Laptop’s demand power always priority ... universal battery bank 8~20V/4.5A high capacity for Laptop, netbook, ,DVD,tablet PC, iPhone/iPad/iPod,mobile phone ...