Testing these batteries DOES NOT WORK !! I dont know why but Sal did some research and I think he can tell us why. Just replace it. My buddy just went through the same deal with his Volvo, screwing around with having to jump it every other day and having it tested at multiple places only for them to tell him the battery tested good. He bought a new one and all problems went away. We have had lots of guys here with the same issues and its always the battery.