wel i had a bad week with batts.so i wanted to tell my experiants.
the batts we use here has a sort seal ( stamp ) that warns you ,
for excample is bad or worn out.on one side is a sort off sticker,
and it has little wires behind who you cant see when the bat is good.
but when the batt is swelling the seal ( stamp ) expand and the,
little wires become exposed.that tells you not to use that batt,
anymore,the batt becomes dangerous.
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The terms of use for ARC and mobile app explains the same details and directs users to the tutorial page for additional information. There are photos of a swollen/puffy battery for comparison on the tutorial page as well.