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I recently bought a flashlight that is connected to a charger. However, it isn't connected through any type of cable, wire, or metal. I read the manual, and it said it was an induction charger. I was wondering how does it work, because the flashlight is just placed "incide" the charger ring.


Best answer:

Answer by mike
its like a transformer,
2 coils of wire that link with a magnetic field.
1 coil in the light, 1 coil in the base.
They also do it with rechargeable toothbrushes.
http://en.wikipedia.org/wiki/Transformer
MIKE

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