Found a cheap 12v 8amp battery

I'm not sure if this is old news or not but I was just crusing cabela's and ran across an 8amp 12v battery that is half the price of what I paid for mine.

http://www.cabelas.com/cabelas/en/templates/product/standard-item.jsp?id=0036388018049a&navCount=40&podId=0036388&parentId=cat21402&navAction=jump&cmCat=MainCatcat21276&catalogCode=IG&rid=&parentType=index&indexId=cat21402&hasJS=true

You can get a charger with it for 5 bucks. Not a bad deal.