Grenco Science G Pen Replacement Battery

Grenco Science G Pen Replacement Battery
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CAD $19.95

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Grenco Science G Pen Replacement Battery

This is the Official Replacement Battery for the G Pen by Grenco Science. Grenco Science created this to extend the battery life of the G Pen. If you buy one of these, you can use one while charging the other one. The lithium ion battery has a charged 3 hours and it should definitely last you about a dozen sessions but these depends on what temperature settings you use. 

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