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.de 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.