Battery won’t hold a charge
Device dies quickly after charging
Battery drains much faster than normal
Battery takes too long to charge
Battery gets unusually hot
Battery is swollen or bulging
Device shuts off unexpectedly
Battery percentage jumps up or down suddenly
Battery only works when plugged in
Battery shows charging but does not increase
Battery is leaking or corroded
Battery has a bad smell
Battery age is past its expected lifespan
Battery warning light or health alert appears