... below:at first,put the battery pack into the remote controller,and then put the remote controller ... pc from the usb interface,After that,the battery pack wii be refilled very quickly.The electric ... working,the indicator will be red.When the battery was refilled to 80%-90%,the indicator will ... be return to blue.and the recharge stand will tricklerecharge the battery pack,and now,the battery can be usded. ...