‘iFixIt’ offers Magic Trackpad teardown
Some of the highlights of the teardown:
° This is one of the few Apple products where the battery is user serviceable.
° The battery screw has square threads. While square threads have the highest mechanical efficiency of all lead screws, their difficulty of manufacturing makes them prohibitive for most applications.
° After a good amount of quasi-non-destructive prying, the inner spacer can be removed from the trackpad. This spacer prevents the highly unlikely event of squeezing the lower panel against the logic board hard enough to damage it.
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