Battery Group 27 vs 31 - Which One Do You Actually Need?
If you're looking at your battery tray wondering about battery group 27 vs 31 , you aren't alone, because one of these classic debates intended for anyone setting up a boat, a good RV, or a sun backup system. With first glance, they will look pretty similar—just two black containers with terminals on top—but that extra inch of plastic material and lead can make a massive difference when you're out on the water or left in the center of nowhere. ...