When plugged display shows not charging and battery capacity never change
Check USB cable and adapter whether they are working well.If it's still in malfunction and within 6 months warranty, you can ask for warranty from the store where you purchased it/SMOK US warranty center(if you are in the US)/us (submite a claim at :https://www.smoktech.com/sign-in?r=/after-sales/channel).Thanks for your feedback.
Last shorter time after fully charged
Change battery to confirm whether battery capacity deducted after a period time of usingThanks for your feedback.
Never be fully charged or always showing charging when plugged
Change battery and confirm whether it is battery problemThanks for your feedback.
Showing charging when unplugged
Mod faultThanks for your feedback.