I've been salvaging these disposable vapes for the 3.7v 500mAh lithium batteries inside. They can be used to power small electronic projects with the appropriate charging circuit and voltage converter. : r diyelectronics Small powerbank from Vape batteries YouTube 500 disposable vapes recycled into a powerwall to power a house and workshop enough juice for up to eight hours of home usage or three days of work Tom's Hardware Diy power bank using disposable vape batteries and 3d printing : r diyelectronics
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