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post #15 of Old 02-23-2013
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Re: Battery location and venting.

Originally Posted by mad_machine View Post
What else is there to it? I switched all the batteries in my cars to AGM. The only differences were the sizes. The batteries were MUCH smaller and lighter
Start batteries never draw down much, so aren't the same as a house bank. AGMs will take almost whatever charge you can throw at them. After running the house bank down, they will burn out your alternator while recharging without adding a voltage regulator for starters. Even the charge voltage to keep them healthy is different.

I'm not the pro, I only know enough that the differences are significant.

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