I bought through Cinch which is easiest if you know what car you want to buy, They also do great exchanges prices on your own car, although I know this is not relevant to you.
Argos in Sainsbury's Dog Kennel Hill now take small electricals for recycling even if you didn't buy from them https://www.recycleyourelectricals.org.uk/electrical-recycling-near-me/
Marks and Spencer have the option to add ?1 donation to Unicef for Ukraine onto your bill at check out which is an easy way to donate each time you shop