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A comment on World’s largest battery maker announces major breakthrough in energy density. Parent comment

Re:World’s largest battery maker announces major breakthroug... by Osiris on Friday April 21, 2023 @01:52PM (#35657508)
There are many companies making rechargeable lithium batteries in AA and AAA form factors. I have a few dozen I use for my door lock and Xbox controllers.
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Re:World’s largest battery maker announces major breakthroug... by walrus01 on Friday April 21, 2023 @09:31PM (#35662440)
Internally these are a pretty normal small li ion or lipo battery (3.70 to 4.2VDC range) and a DC-DC converter to output 1.5V
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