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Batteries heated up

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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imrancs_apc
Crewman
Crewman
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Batteries heated up

This was originally posted on APC forums on 7/28/2011


Hi,

I have APC Smart-UPS 700VA and using two wet batteries with it. For the last one week the batteries get very hot. May be they get overcharged. If this is the reason, is there a way to adjust the charging level so that they won't get heated. Or any other solution?

Thanks,
Imran

Message was edited by: imrancs

Message was edited by: imrancs

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BillP
Administrator Administrator
Administrator
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381

Re: Batteries heated up

This reply was originally posted by Jonathan on APC forums on 8/1/2011


Glad to help.

See Answer In Context

10 Replies 10
imrancs_apc
Crewman
Crewman
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381

Re: Batteries heated up

This was originally posted on APC forums on 7/28/2011


Yes, I am using two wet batteries of 65Amp each. Could you please let me know what other information do you need?

Thanks.

imrancs_apc
Crewman
Crewman
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381

Re: Batteries heated up

This was originally posted on APC forums on 7/28/2011


JonPro, thanks for your reply. These batteries have been working fine for last couple of months.

As a general question, is there any way to adjust the charging level (to avoid batteries overcharging) ?

Thanks again.

Olin_apc
Ensign
Ensign
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381

Re: Batteries heated up

This was originally posted on APC forums on 7/28/2011


What is the float voltage you require and what is the UPS charger giving? I doubt you will be able to control this on such a small UPS. They are not designed to ever work with wet cells afaik. Are the cells drying out much?

imrancs_apc
Crewman
Crewman
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381

Re: Batteries heated up

This was originally posted on APC forums on 7/29/2011


Olin wrote:
What is the float voltage you require and what is the UPS charger giving?
Not sure about it.
Olin wrote:
Are the cells drying out much?
Yes, cell are drying out very quickly.

Olin_apc
Ensign
Ensign
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382

Re: Batteries heated up

This was originally posted on APC forums on 7/29/2011


Ok you would need to know this to work out a solution. I would suggest you get rid of the wet cells and obtain a proper apc battery. Presently there may be addition risks running as you are, ie hydrogen build up due to gassing wet cells!

BillP
Administrator Administrator
Administrator
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382

Re: Batteries heated up

This reply was originally posted by Jonathan on APC forums on 7/29/2011


There were customers who said that they were able to change it, I can't recall the thread unfortunately. But personally I haven't done that and wouldn't do it since it is pre-configured once it comes out of the factory.

imrancs_apc
Crewman
Crewman
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381

Re: Batteries heated up

This was originally posted on APC forums on 8/1/2011


Okay, thanks for your help. I'll consider replacing wet ones with dry batteries on next replacement.

Olin_apc
Ensign
Ensign
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381

Re: Batteries heated up

This was originally posted on APC forums on 7/28/2011


You are using wet batteries?! More details?

BillP
Administrator Administrator
Administrator
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381

Re: Batteries heated up

This reply was originally posted by Jonathan on APC forums on 7/28/2011


From the looks of it, you might not be using an APC battery. Unfortunately, from our end we wouldn't be able to help you since your configuration is not the standard that we have. Though there are some things that I think might be causing this. The batteries that you have might not be the same rating as with the correct battery that should be in there.

BillP
Administrator Administrator
Administrator
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382

Re: Batteries heated up

This reply was originally posted by Jonathan on APC forums on 8/1/2011


Glad to help.