2010 Argo Frontier 580 Battery?

[odrg]

My Argo is way up north at the moose camp and I want to bring a spare battery but I need to know the Size and Group so i can source one. Anyone with a...

[odrg]

All of a sudden my nice running 580 with less than 75 hours won't start and when I replaced the plugs, the new ones went black in a couple hours of use...