Power tool wireless charger

This are the 2 piecies needed for recharge my power tools without wires, one is the base where the transmitter will be put on, and the other is the box around the regular battery that hold the reciever and the other circuits.

see https://youtu.be/00vH0qvS_Gw and http://contest.open-electronics.org/project/wireless-charging-electric-tool/