1 Year Warranty

Grenco Science™, we stand behind our products and provide a 1 year warranty on select products.

  • 30 day – no cost – warranty if product found to be defective
  • 1-year replacement program
  • Program includes the G Pen (lithium ion battery)
  • Please keep your receipt  

This warranty applies to the product under normal usage and is subject to all product usage documentation.

In the event you need to exchange your G battery or charger, simply email us at info@grencoscience.com from the email address noted on your warranty card. You will receive a reply within 24 hours to coordinate a replacement. Please allow up to 7 days for processing.