I never looked into it. I've been afraid of breaking something and having to throw out the battery. Does anyone have instructions on how to change the LED light out of an e-cig? You can always buy a bunch of different outer colors for the batteries with different LEd lights, but I want to change the LED light out myself. How can I do that? Is it easy or a real pain in the *ss? I want to do it to a DSE901.