Once again, battery

This is a really wrong advice. the “PMU” will not protect the cell against short circuit polarity inversion and some type of over discharge (and overcharge to some extend).

Short circuit is actually quite important if you do store the battery out of the DevTerm. If they never move it is somewhat ok, but there is a reason why virtually all LiPo that can be unplugged do have the protection circuit, even when they are in a device you can’t open easily)

As said multiple times, the “protection” you will find in the DevTerm is to protect the DevTerm itself, not the battery. The protection in the battery are to protect the battery and you. You really don’t want a Lithium battery to go nuclear.

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