The original Shatterizer battery (for the borosilicate glass Shatterizer, or Silver or Black Aluminium Shatterizer) is 18350 Lithium-ion with 3 variable voltage settings, low, medium and high. This battery has 15 second continuous heat option with automatic shut off! Five clicks on, 5 clicks off, 3 clicks to vary between temperature settings. The Shatterizer atomizer and storage container not included.