Recharging Time:3.5 hrs
Powerpack Working time:Approx. 450 mins
Material: Aircraft aluminum
Operating Voltage: 5.0 - 12 V DC
Size : 8.5cm(3.4inch) *3.5cm(1.4inch)*3.5cm(1.4 inch)
-we recommended that use the included charging cable.
-This device don't support fast charging/super fast charging, fast charging may get damage the battery.
-Lithium-lon battery packs are shipped partially charged . before using it , the first time charge the battery pack.
battery:Six months warranty