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I've never figured out why some batteries last and others don't. My '05 6MT V6 sedan still had its OEM battery when the starter finally refused to turn over in
by Eiriksmal 11y ago
I've never figured out why some batteries last and others don't. My '05 6MT V6 sedan still had its OEM battery when the starter finally refused to turn over in 2013. My wife's '07 5AT I4 sedan just got its fourth battery this month. My car grew up in central Kentucky, hers spent its first 3 years in New England before also moving to ol' Kintuck.
- cmain 11y agoNot that this was necessarily the case with your vehicles, but battery placement in a vehicle will directly affect its lifespan. If it's closer to a heat source (e.g. the engine), it will die much faster. This is why some manufacturers put them in the wheel well or the trunk.
- foobarian 11y agoDepth of discharge can be very important. When lead-acids discharge, the metal in the electrodes moves into the electrolyte, making the electrodes smaller and weaker. Couple that with electrodes made very "spongey" to increase surface area to maximize the cranking current, and they can start to flake off and fall apart if discharged enough.