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Message: <blockquote data-quote="meteorcrashh" data-source="post: 1605010" data-attributes="member: 275352">I bought this portable speaker for my phone in a flea market. When I put in my batteries, it became super hot. Is it normal?I used those cheap batteries instead of good ones.And uh.. just now, when I try to put the batteries again, it wasn't as hot as before. Still hot though. And the portable speaker works.But I freaked out when I saw mini sparks coming from the tip of the batteries.I'm really afraid of it being exploded - with news of China Mobile exploding and killing people.</blockquote>