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A comment on Laptop explodes while charging at Letchworth business. Parent comment

Re:Laptop explodes while charging at Letchworth business by ocdtrekkie on Monday April 02, 2018 @01:58PM (#16737162)
After seeing some of the old UPS batteries bulging to the point we had to cut them out of their enclosures, cracking the battery cases, etc., I've generally just classed all batteries as things to get out of the house/business as fast as possible after they're out of service.
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Re:Laptop explodes while charging at Letchworth business by cptskippy on Monday April 02, 2018 @02:06PM (#16737286)
That's scary, I thought most lead acid batteries were vented.
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Re:Laptop explodes while charging at Letchworth business by jacquesm on Monday April 02, 2018 @02:34PM (#16737677)
It's because of plate deformation not because of gas. They are all vented.
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Re:Laptop explodes while charging at Letchworth business by c3833174 on Tuesday April 03, 2018 @06:12AM (#16743287)
AGM batteries are packed with fiberglass, so when oxide starts building up on the plates because of improper charging or electrolyte drying up they start pushing on the case.
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