quick car battery question

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quick car battery question

By LaosToaster
- Wed Jul 27, 2011 4:42 pm #265219 So its the fourth time I went to oreily's to get my battery recharged. The dude that works there says its bad to keep recharrging when its drained(still had juice but not enough to start car). But isn't charging the battery at an auto store do the same thing like an alternator?

My battery is fine, its just this time I had to leave my hazards on while working on the side of the road.

My question is, is the guy Bullshitting me saying its bad to keep recharging it? I don't see what's wrong with that since the alternator always recharges the battery when the engine is running.

What u guys think?
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By poorman type-r
- Wed Jul 27, 2011 6:53 pm #265237 Why not get a new car battery? :?

Your battery seems like it can't hold a charge, so you should get a new one.

"As the battery charges during driving some electrolyte vapor vents out of the plastic shell along with a bit of hydrogen. If the electrolyte levels fall below normal levels the lead plates in the battery become exposed to the harmful vapors produced during battery charge cycles. These vapors can cause corrosion to form on the lead plates inside the battery. This corrosion interrupts the chemical process by which the battery charges and stores electricity. Once this corrosion sets up, the damage inside a car battery can be irreversible."
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By LaosToaster
- Wed Jul 27, 2011 9:16 pm #265254 cant afford one right now lol.

but i did a load test on the battery at oreilys, my battery holds a charge of 60%, not sure what that means. then the guy charged it more and the battery checks out as good.

there are indicator lights on the load testing maching. good, marginal, and then bad. mine stayed at good.

i dont kno how old the battery is also so thats why im still using it til it causes me major problems.

thanks for the input though :thumb:
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By Datsmart
- Thu Jul 28, 2011 4:09 pm #265359 Car batteries today do not like to be "Deep Cycled" like the old car batteries.
RV batteries are designed to take many low discharge cycles, but the standard car battery of today is designed to always be at or near a full charge. It will be damaged if cycled to a low charge too often.
Had a friend that put a car battery in his RV. After about 7 discharges, it would not take or hold a full charge.

Are you sure your car charging system is working properly?
If not, that will let your battery drop to a low charge.
Make sure your charging system is OK before putting a new battery in. You don't want to ruin the new one too.
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