The Grenco Science offers the G Pen Roam battery replacement that is identical to one that comes with the original package. The battery is powerful and offers 20 long sessions to vaporize your concentrate. Also, the LED lights display the battery life to the user making the use even more convenient.
> G Pen Roam
> Detach the battery from the base unit by sliding it up.
> Attach the quartz tank to the new battery and attach it back to the base unit.
> Enjoy vaping!
|Average Life||20 Sessions|
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