DIY Charging Cable: Simple 4.2V Shaver Charger Hack
2026-06-09 11:56:45Mr.Ming
If you are interested in DIY charging cables, you might want to take a look at this article.
If you happen to have a shaver but it does not come with a charger, and you find that its charging voltage is 4.3V, you can use a 4.2V lithium battery charger as a substitute to DIY a charging cable.
If you happen to have a wire from a circuit board that just fits into the shaver.
The groove in the middle is cut with a saw.
Solder on a 4.2V charging board.
This charging board has a charging current of 0.5A.
It can now charge normally.
Finished, and it is still very simple.
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