1 Year Warranty

At Grenco Science™, we stand behind our products and provide a 1-year warranty on only electronic components.

    · 1-Year Replacement Program

Program includes the G Battery™, microG Battery™, G Pen Charging Kit™, microG Charging Kit™, G Pen Wireless USB Charger™, and the G Dual Charger™.

    · Email us at info@grencoscience.com from the email address in which you placed your order from. You will receive a reply within 48 hours to coordinate a replacement. Please allow up to 5-7 business days for processing. 

    · If purchased from one of our authorized retailers, please keep your receipt as proof of purchase.

    · Warranty is not applicable to tanks or coils. Please do not send any used tanks or coils, as we will be forced to discard them.

    · Warranty is not applicable to merchandise. All merchandise sales are final.


Grenco Science leads at the forefront of ingenuity and aptitude, consistently engineering the most advanced, user-friendly portable vaporizers in the world. The first to market a tank system specifically designed for personal aromatherapy regiments, Grenco Science™ integrates superior functionality with the convenience of transportability.