Adding USB-C and a larger battery to a Logitech MX Master Mouse @Hackaday @Logitech @Adafruit
A retrofit by cmot17 of a Logitech MX Master upgrades the battery and USB-C. The battery was upgraded from 500 mAh to 950 mAh. The USB micro B connector was carefully cut away and an Adafruit USB-C breakout board trimmed to fit in its place. Delicate work to ensure nothing vital was cut.
Since [cmot17] didn’t change the mouse’s original electronics, the newly upgraded Logitech MX Master won’t actually benefit from the faster charging offered by USB-C. If anything, it’s actually going to charge slower thanks to the beefier battery. But considering how infrequently it will need to be charged with the upgraded capacity (Logitech advertised 40 days with the original 500 mAh battery), we don’t think it will be a problem.
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