Output Interface: DC, USB/DC, USB/MICRO USB, Double UsbInput Interface: DC, Micro USBType: Fast Charging, High Capacity, PortableBattery Type: 18650 Lithium BatteryWeight: 498g( N.W)Socket Standard: Micro USB, OthersProtection: Over-discharging, Short Circuit Protection, Over-charging, Over-temperatureOutport: USB1:5v/2.1A USB2: QC2.0 port 5v /2A 9V/2A 12/2A NB:12-24VUSB Port: 2 PortsVoltages Dc:12v 6v 9v 19v 20v 24vAmp:1A 2A 3A 4A 5A Input: Micro USB :5v/2.1A NB:13-20V/3ASupport devices: laptop , tablet , mobiles , jump starter,etc