Currently on sale with a lot of other gear. I also checked France, Germany, Denmark, Sweden and Norway.
https://www.dell.com/en-uk/shop/accessories/apd/520-aanp
Saving is about 54€ / 62 $.
https://www.dell.com/en-uk/shop/accessories/apd/520-aanp
Saving is about 54€ / 62 $.