Hello folks, I love this forum, I've had nothing but intelligent feedback. My battery has gone bad (after 3 years in GA, its due lol) A friend of mine suggested replacing it with a Deep Cycle/ Marine battery. He said they are better at holding charge and withstanding heat/cold, etc. Is this a good Idea? If so, what would be my best deep cycle option? I regularly use my truck for working at night and my LED spotlights drained my current battery regularly. Thanks!

 

I wouldn't. Best bet is to purchase a regular 12 volt battery with plenty of reserve capacity and a good warranty. I found that deep cycle batteries don't tend to hold up as well in applications where alternators are working to keep the battery fully charged.

 

You could just add a battery in parallel for extra power when engine off and running lights.

 

Deep cycle batteries are designed to give out amperage over a long period. Not so good when vehicles need amps right away to start in cold weather. That's what CCA means cold cranking amps. I think the stock requirements for the second gens with 5.2/5.9 is like 600-700 CCA.

https://www.batterysystems.net/deep-...rting-battery/