Quote:
Originally Posted by por356c
Hello guys - I am new to Boxsters, but I have to pick-up on what some of the guys have said here - why in the world don't you replace a dead battery with a sealed AGM like an Optima? No acid, no fumes, fantastic cranking power. They last forever. What am I missing other than it doesn't say Porsche?
David Preston
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Ummm...AGM batteries are lead acid batteries, so they do have acid (not that it matters). The only difference is the absorbent glass mat plate separator material.
FYI, I've never heard of a battery labeled "Porsche", so your remark about that is weird.
Why don't I buy one? Because I used to make them, so am immune to the hype. The price increase weighed against any potential benefits in a standard passenger vehicle don't add up. Not to mention the high rate of defects due to complex manufacturing methods. The return rate for AGM at a certain battery manufacturing plant in St. Joseph is about 7-8 times higher than standard.
That's why I don't buy them. Standard lead acid is good enough for 99%.
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