lithium ion batteries are inserted in the vape. batteries for vape. The concept of care and repair of electronic devices for vaping. background for va Stock Photo Alamy Vape Batteries: A Complete Guide E Cigarette Direct Hidden and Explosive Dangers of Electronic Cigarettes 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.