Removing the keyboard from a lenovo E531 can be daunting. The trick is to slide the plastic separator up towards the screen and then undo the screws.. Whoops, be nice to know before doing this one.
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https://www.youtube.com/watch?v=yl_dtlqOxVw
Warning, don't try this with a charged cell, these were reading 0.5V before i disassembled them.
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Here i teardown a li-ion cell from a macbook-these cells are also used in RC car battery packs. interesting, is the discolouration spots on the copper and aluminium foil, almost looks like fungus.
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https://www.youtube.com/watch?v=2R3TrOgTFHk
a quick response (hence out door dark ) to today's invasion day protests. Australia is an awesome place to live despite actions enacted by those 200 years earlier.
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https://www.youtube.com/watch?v=GNPVNCnqjqs