Some dab pen user ask why their device indicator light wont shut off, always red light on.
If you charge it more than 2 hours, the red light still on, please stop charge.
This item might has some problem with the inside battery.
If this device still within warranty period, please contact our after-sale team to claim warranty.

By the way, most Yocan devices full charge time less than 1 hour, Evolve series items no more than 2 hours.