Mine is finally getting loose in the battery cover and requires a conductive spacer to get current to flow. I haven't replaced it because I like the protection it gives my little nautilus mini. I vape at 12W, high concentration for stealth, and I definitely want a replaceable battery capable of holding at least 3200 mAh, so 18650 or bigger. I don't care if it's ugly or heavy or doesn't have fancy doodads. It'd be nice if it could also hold my nautilus, but if it's a captive tank, that's okay, too.
Thanks for the advice!
Thanks for the advice!