It’s cheaper to build lithium batteries into one-time-use items like disposable vape pens and just throw them out after one (or less than one) charge cycle, but if you have some spare time these ...

The KandyPens Crystal is a sleek-looking vape that features a quartz ... Oil carts typically use a “510 thread” to connect to the battery, so a wax pen will work with carts only if it has ...