Can lithium batteries be recharged?

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Carmelita
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Can lithium batteries be recharged?

Post by Carmelita » Fri Aug 13, 2021 2:26 am

Can lithium batteries be recharged?
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dyarker
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Re: Can lithium batteries be recharged?

Post by dyarker » Fri Aug 13, 2021 4:55 am

BOOM!!!!
Unless package they came in says rechargeable.
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Janitor Tzap
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Re: Can lithium batteries be recharged?

Post by Janitor Tzap » Fri Aug 13, 2021 10:16 am

Carmelita wrote:
Fri Aug 13, 2021 2:26 am
Can lithium batteries be recharged?
QQ图片20210813172532.jpg
Basically.......
No.

Unless for some reason you can't just buy a replacement CR2032 right away.
You can give it a small boost charge, just so you can get your computer up for a day or two till you can get a replacement battery.

You take 3 D, C, AA, or AAA Cells connected together to make 4.5Vdc.
Remove the CR2032 Battery from its holder in the computer.
Touch the +Positive and -Negative poles of the CR2032 Battery, with wires from the 4.5Vdc 3 cell battery pack.
+Positive to +Positive.
-Negative to -Negative.
Do this for about a second, then remove the wire.
{You sometimes need to do this a few times.}
BUT STOP If the CR2032 Battery starts too get WARM!
Let the CR2032 Battery cool down.
Now check the voltage on the CR2032 battery, and if you have a battery tester, use that as well.
You should have a reading of 3VDC, and the battery tester will show that it is in the Fair to Low Good range.

Like I said.
This is only a temporary fix till you can get a replacement battery.


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dacflyer
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Re: Can lithium batteries be recharged?

Post by dacflyer » Fri Aug 13, 2021 7:39 pm

I've never seen a rechargeable coin cell.. Most are all disposable only...

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Janitor Tzap
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Re: Can lithium batteries be recharged?

Post by Janitor Tzap » Sat Aug 14, 2021 4:01 pm

Actually, they are readily available.

Electronic Goldmine has them by the tray load. :lol:
https://www.goldmine-elec-products.com/ ... ber=G21607


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Carmelita
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Re: Can lithium batteries be recharged?

Post by Carmelita » Wed Aug 25, 2021 2:51 am

Ok, I will not charge it and I will buy a new replacement if necessary. But I think it could work for a long time.

dyarker
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Re: Can lithium batteries be recharged?

Post by dyarker » Wed Aug 25, 2021 6:29 am

Good idea!
An LM621 is not a CR2032.
CR2032 is not rechargeable.
LM621 is rechargeable, and should be a valid replacement. Careful with Electronic Goldmine, do you need 100 of them?

Cheers,
Dale Y

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Re: Can lithium batteries be recharged?

Post by Janitor Tzap » Wed Aug 25, 2021 7:42 am

Carmelita wrote:
Wed Aug 25, 2021 2:51 am
Ok, I will not charge it and I will buy a new replacement if necessary. But I think it could work for a long time.
Okay,
The CR2032 Battery type, has different life span versions.
The Alkaline version will last about 2 - 3 years.
Some Lithium versions will last up to 10 years. {But are expensive!}
But most Lithium versions are rated for 5 years.

Well, most computer manufacturer's expect their computer's to be replaced in 2 to 3 years.
But since chips have become scarce.
A lot of people are holding on to they're old computers longer till they real need to replace it.


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Carmelita
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Re: Can lithium batteries be recharged?

Post by Carmelita » Mon Sep 13, 2021 11:30 pm

Thank you!

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