FREE: Nautilus 12volt 900amp Marine/RV battery, Group 31

Hi, we have a Nautilus 12volt 900amp Marine/RV battery, Group 31 - for free to anyone that can use it. It's been sitting for several years and not sure if it's usable or not. I believe they are worth a few $ for recycling (?), so please only take it if you can use it or recycle it. We're in Gordon Head.