A Lawnmower Battery (24, 36 or 48v) (Bellevue EH7)

Hello, I would like to repurpose/recycle an unwanted 24 or 48volt lawnmower battery - to help fix up an old electric scooter. If anyone has a working one and it's charger, maybe from an old or broken lawnmower - it would be put to good use. I only have a bicycle so can't offer to take the lawnmower too, sorry. Batteries can be a bit dangerous if they have been left uncharged for some time. So, I'm looking for one that still has a bit of charge in it please. Many thanks.