A Replacement or spare battery for the Puffco Pro 2. 

The battery features 3 set temperature settings and  Puffco's signature 'Sesh Mode' which gives you 12 seconds of uninterrupted heating for those huge rips. 

Press and hold to use, or double tap for 'Sesh mode' as well as 4 times rapidly to change temperatures and Press 5 times to turn on and off.