It's not easy as it's title.
I want to make one wireless charging device which use to charge 3.6V button cell.
Dimensions for receiver 20*20*5 mm.
This button cell (300mAh 3.6V) should be mounted on that device (receiver).
This device (receiver) should charge this cell.
No dimensions for transmitter.
You can build transmitter as you want.
But receiver should be in given above dimensions. Receiver also carry button cell which is to be charged.
Receiver should also carry one small SMD Led.
After charging the cell I want to switch on the led for lightning purpose.
Led should be 0.5W
In the dimensions width can be changed +or - 2mm.
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I've been made wireless power system to powering my 3W jar night light. It uses 1 high power NPN transistor as oscillator. btw i can only provide the detailed design because i'm live outside india