How do I know when my G Pen Gio Battery needs to be charged?

When the G Pen Gio Battery needs to be charged, the front “G” light will blink five times when the unit is drawn upon.

If you have any further inquiries, please contact our Customer Service Department anytime Monday through Friday, 8:00am to 5:00pm PST.

Email: info@grencoscience.com

Phone: (800) 948-7480

 

 

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