Ok, don't get too excited. It's a small capcity SLA 12v 3.2Ahr battery in poor condition (does not hold charge). It came from an old alarm system from our house. It works only when hooked up to mains, so it can only act as a backup battery at best (or paperweight).
Anyway, if anyone wants it, let me know. I will leave it for a few days then put it into the council e-waste bin.
I work in Melbourne, so can bring it to the CBD if that works for you.
Thanks, Bo