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Message: <blockquote data-quote="loopkiller" data-source="post: 5633784" data-attributes="member: 601690">You can get a better battery for just a little more. Buy the Deka Intimidator.That is all you need to know about that!Truth!Did you know the Optima is a subsidiary of JC?Yes and no. If you are building a competition vehicle that will play test tones, you can get away with 100% alt power, as long as the alt can make enough amperage.If you are going to be playing music however, even the biggest alt would have trouble keeping up with the dynamic load that music produces. Since there is no way to make your alt predict bass notes, it can only react to the notes. The problem is, by the time the alt sees the additional load, the note has already played and it is too late to push more power. This is where good batteries come in to play.Standard flooded batteries are slow to respond to the dynamic music just as your alt is. Also, flooded batteries are made to supply power for up to 30 continuous seconds to start an engine. They are not designed for repetitive short bursts that music requires.Newer AGM batteries are designed exactly for this style of load. They are quick on their feet, like a cap, and have much more capacity in the same size as a flooded cell. They are a win-win. The only downside is the up front cost to buy one. Look around and deals can be had. You just have to do some homework to find a good deal.Since when was ConsumerReports regarded as a car audio aficionado organization? They are talking about starting cars. They have no clue or concern about car audio.</blockquote>

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