Amazon U.K. has slashed £25 off all Kindle Fire tablets for a limited time to say thank you to customers who voted the retail giant number one in customer satisfaction for the seventh year running. The offers ends on Monday, January 20, at 11:59 p.m. GMT. The discount is valid for one device per customer, and can be applied against all versions of the Kindle Fire — including the Kindle Fire HD, Kindle Fire HD 8.9″, Kindle Fire HDX, and Kindle Fire HDX 8.9″. Simply order the device from Amazon.co.uk, then use the code “MAYDAY25” at checkout.