This kit uses inductive charging to transfer power “wirelessly” from one coil to the other. You put in 12v 1A on the transmitter end, and on the other end you get 5v 0.6A.
I initially had some trouble getting it setup. I was trying connectors in every different position, every combination I could think of. It took me a day to realize my power supply was set to 9v rather than 12v. Once I upped the voltage, I could hold the coils an inch away from each other and still keep a charge. I also tried putting things in between the coils to see how much interference it could take. It had no problems with a coupon book, business cards, a small plastic mint case, though it did have issues being between a remote.
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