Quote:
Originally Posted by Piotrsko
60% charge probably means you sulphated the plates somewhat. ...
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That's what i think too. My three stage charger is specifically designed for preventing this, but it was not plugged in.
Quote:
Originally Posted by me and my metro
... Deep cycle batteries have their use and place in the automotive world. They are not a good starting battery, they are designed for slow discharge and recharge. ...
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This deep cycle was manufactured for use in a variety of auto applications, such as police vehicles. It has good cold cranking ability, but I need my charger to prevent sulfation of the plates.
Quote:
Originally Posted by me and my metro
Checking parasitic draw on computer controlled cars is interesting. Some batteries tolerate draw better than others. 500 millivolts is a good thing to stay under. My company installed automated vehicle locators on most of our powered equipment a few years ago. This system wakes up twice a day and sends a quick text to the vendor about the vehicle. This is not much draw but If the vehicle sits for a few weeks without starting the battery will die.
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I wish I had kept it plugged in!