I bought this pack of 8 AAA batteries from poundstrecher. These batteries last only three days while unbranded batteries lasts more than 3 weeks. I think these are fake batteries. This shop is on Uxbride road Ealing (Hanwell). Please see pictures of the shop and battery packs and batteries.
Arvind
PS I have many more images to send please let me know email address to post these images.