Under the Consumer Rights Act in the UK there is no end of 'warranty' period. If the product expires when it would be reasonably expected to work then you have

Under the Consumer Rights Act in the UK there is no end of 'warranty' period. If the product expires when it would be reasonably expected to work then you have a claim against the company. They can fix, like-for-like replace, or pay you money. They do get to reduce the compensation based on the use you've had of the product, but that seems reasonable.