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Old 09-23-2013, 12:33 PM   #6 (permalink)
orange4boy
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OP's battery may just have been weak already.

Lead acid is really not a good match for an ICE. They actually require a long slow recharge after a discharge so even without EOC, your battery may be dying:

Quote:
The electrolyte of a stratified battery concentrates at the bottom, starving the upper half of the cell. Acid stratification occurs if the battery dwells at low charge (below 80 percent), never receives a full charge and has shallow discharges. Driving a car for short distances with power-robbing accessories contributes to acid stratification because the alternator cannot always apply a saturated charge. Large luxury cars are especially prone to acid stratification. This is not a battery defect per se but the result of use.
From the battery university

Every car should have a solar tender in them or be trickle charged at home to prevent Premature battery death.
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