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No the battery does not heat up when charging or after the request period of charging. After reading the post I will buy a 20A fuse and try two different battery I have.
I think the problem came from the battery... The same battery blow up two different gun ??
The charger I use is a class 2 transformer input 120V 600 Hz, output 9V DC 500 mA. So it took 7 hours to charge a 3600 Mh. The other battery (the good one) is a 1800 Mh so it take 3 hours to charge. I'm I right ?
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