iPod Nano 1st Generation Battery Replacement

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The next few steps require a soldering iron.
The ends of the battery leads are fed through small holes in the logic board and held in place by a small amount of solder.
Begin by heating the exposed end of the white battery lead with the tip of a soldering iron while simultaneously pulling the lead away from the connection, using tweezers to grasp the lead by the insulation.
De-solder the remaining leads, following the procedure illustrated above.
Due to the delicate nature of electronic components, it is imperative to limit the amount of heat transferred from the soldering iron to the logic board. An easy way to accomplish this is to pull on the battery lead with light, continuous tension, while the soldering iron heats up the connection. In order to avoid damage, lift the solder tip off the connection as soon as the solder melts and the lead slides out.

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