The 900mah is going to be a little longer than the 650mah battery as well as outlast it, usage wise. More time between charges. It really depends on how much you vape and how long you might be away from a charger, does size matter, etc..
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.