# Old battery

I have an old car and battery with the Negative dis connected, I charge it, 2 days later it shows 70% charge of 12v or so, is it a junk battery, I think so. Only the Positive is connect but the case is clean
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He asked if the battery is viable or junk?
I've no idea what the answer is, but I think I'd clip a headlight to it to drain it down until the light dimmed, then recharge again and see what it looked like. And, ask how he's measuring the charge remaining.
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Not that I noticed, although my definition of "question" is based on the standards applied to children in elementary school.
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"is it a......" may be a question, but he follows it with a statement.
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"is it a......" may be a question, but he follows it with a statement.
============== Ransley has a history of sorts with alien writing concepts, so it's hard to say what he really means.
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I didn't see one either...
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Learn to read; it's pretty clear.
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accurate measurement of state of charge by volatage is difficult.
The voltage range from 100% to 0 is all in the "12 volt or so range".
For most anything you want to know about batteries:
http://batteryfaq.org
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Eye tuk hukt awn fonix.
--
Christopher A. Young
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I thought it might be above your comprehension.
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I thought it might be above your comprehension.
============= Read your original message. You were drunk when you wrote it. Sometimes you're lucid, and sometimes you're not. I don't care enough to watch for a pattern, but I wonder if your most incoherent messages are written from late afternoon onward.
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cool.

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Its useful life is over. Take it to be recycled. Batteries decline whether they are in use or not.
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ransley wrote:

Not entirely clear on the question, but if the battery in question is a conventional type, more than about 5 years old and has sat uncharged in the vehicle for some time you can safely consider it junk even if it seems to take a charge. It might hold out for a couple start cycles in the car and then will surely leave you stranded in short order.
It's either an exchange for a new battery core charge, a lead sale to a scrap dealer, or if you really want to extract every ounce of service life from it, use it in something that won't leave you stranded like a lawn tractor.
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Ransley,
2 days later it shows 70% charge of 12v or so, is it a junk

How did you measure the 70%? Did you draw up some acid and check it's density?
Dave M.
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Hold it closer to the monitor, so we can all see it.
--
Christopher A. Young
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Take it to an auto parts store. Most will check it for you for free. There is more to checking a battery than measuring the standing voltage.

--
Joseph Meehan

Dia \'s Muire duit
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