1.20000 mAh Li-ion (Polymer battery) , Thunder Black colour , material : plastic with power button, 4 LED indicator @ 25% each for battery level , 2.Supported laptops with USB-C charging port; USB C Laptop power delivery requirement max 65W;3.Battery charging time : 3 Hours (Depends on power adapter used. Value measured using Lenovo 65W power adapter) , Quick charge ,