Extra batteries

[dannyz122001 10+ year member]

which of those 3 is better? ive heard a good bit about the ohio gen. and the excessive amperage but not so much on the powermaster performance. any suggestiosns? and def doing the big 3

 

[GMCJimmyslt2000 10+ year member]

ive heard good things about ohio. NOt many bad reviews and do what they are rated to do. I would go with 250-300a. WHen u install that, add 1/0 gauge wire to the exsisting factory wire(big three). Then get some new batterys