Inductive charger inside the case of this iPhone 4s

iphone-4s-inductive-charger

This iPhone 4s is charging without a dock connector because [Tanv28] added inductive charging hardware inside the case.

The hack is not for the faint of heart. But if you’ve got a precision soldering iron and a stead hand we bet you can pull it off. It starts with disassembly to get at the cable that connects the circuit board to the dock connector. [Tanv28] solders fine enameled wire to pins 16, 23, 25, and 27. The other end of these wires are soldered to the guts from a Powermat inductive charging system. After the connections are made there’s not enough room under the back cover of the phone for this added bulk. But laminating a second plastic frame onto the assembly will correct for the 1mm difference in thickness. The clip after the break walks through the entire process.

You can see that [Tanv28] also built the charging station into a piece of furniture. We just saw a post last week that used this technique to add Powermat hardware to a shelf.

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Hiding an inductive charging station inside furniture

inductive-charger-inside-furniture

[Tony] wanted to clean up his bedside table by getting rid of the cables used for charging his devices. He accomplished his goal by integrating an inductive charging station inside his furniture.

He chose to go with a product called Powermat. The base station for the device includes two inductive charging areas. [Tony] started by using a router to make a pocket in the underside of this shelf. He mentions that the remaining wood is only 2mm thick to allow for proper transmission. Before gluing the PCB in place he relocated the power jack so that it is still easy to get to. As you can see in the clip after the break, the system works just fine this way.

One note on the forums hosting this content. We must have loaded the thread three or four times when writing the feature and ended up locked out unless we registered. You can get around this by loading the link in a private/incognito browser.

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