Types of vape battery: which batteries do vapes use? Evapo Colorful 18650 Lithium Ion Battery cell on a wooden table known for use with vape or e cigarette. Also used to make laptop battery and power bank Stock Photo Alamy Not 18650 but related. Recently I've been salvaging li ions from disposable vapes. Usually they are between 2.6 and 3.3v depending on how long it's been sitting. This one was at 1v. Best Vape Batteries Cheap Vape & E Cigarette Batteries PerfectVape Lithium ion batteries can be flammable and release toxic gases when not used correctly. It's important to check your batteries for physical and electrical damage, exposure to extreme temperatures, and any defects.