Long-term storage. Need advice...

SouthArk370Z

The output of a chemical battery (not just lead-acid) is dependent on temperature. Put that and the fact that a cold engine is harder to crank together and Winter can "kill" a battery. Add in some age and things just get worse.

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kenchan

yah, that's if your improperly cared for battery has enough cca to start in the cold. by cold im talking sub 0F which is common in snow belt states.

MacCool

Nah. Charge/discharge cycles is what hurts a lead-acid battery, not temperature. Especially discharge below 80%. True, extended cranking can discharge it below that, but making it work a little harder for the brief few seconds it takes to start a modern automobile won't hurt it. And although output is temperature dependent, longevity isn't. If it doesn't freeze, and it won't if it's on a float charger, the battery won't be damaged by the cold alone. Especially in storage, which was what we were talking about anyway.

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