sigelei mini book 40w tc

So I have had my first vape, a Sigelei Mini Book, for probably 4 months now. I was trying to use it tonight, as usual, and, at first it was sort of just acting weird. It started to shut off randomly. At one point I took the battery out and just let it sit for a while. But it quickly got worse...

Maybe as you have known,the Sigelei Mini Book is the latest TC temp control device by Sigelei technology,which was made of a Sigelei Mini Book 40W Mod and X-Tank Sub-Ohm TC Atomizer,features dual temperature control modes for Ni200 Nickel coils, while outputting up to 40 watts and capable of...