510 Thread Battery Units and Vape Batteries Rizo vs Palm CCELL 510 Vape Battery Review CCELL 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 Mini Slim Battery New tiny 510 battery only $15, and it comes with a tiny usb c charger : r TheOCS Kanger K Pin Small Vape Pen