Quote:
Originally Posted by FDD
Since very low voltage can kill lithium batteries, they usually have some protection circuit inside that kicks in if the voltage drops under some threshold; if that happens you have to use a suitable charger.
While lithium batteries are relatively easy to charge, you CAN'T simply connect it to 5V
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I was thinking for a short time charge
just enough for the battery to be accepted by M92
(as a last resort).