[pikrzyszto]

In the UK every bigger grocery store has a bin for old batteries, disposing batteries is trivial.

[Ekaros]

In Finland I think even the smaller stores have a red carboard a box hidden somewhere... For electronics bit harder, but still should not be impossible.

[walthamstow]

There was even one on every floor of my previous office (at a national UK retailer known for selling pig-shaped gummy sweets)