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 US$ 26.79 Min. order: 1 piece ★★★★★ 4.3 (284 reviews) Sold : Login>>
Samsung 25R 18650 2500mAh 20A Battery US$ 28.88 Min. order: 1 piece ★★★★★ 4.0 (148 reviews) Sold : Login>>
Best Voltage for THC Carts: The Complete 510 Battery Guide US$ 23.70 Min. order: 1 piece ★★★★★ 4.4 (111 reviews) Sold : Login>>