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101 votes
Accepted

Smell of rotten eggs in the server room

To answer the question: This is almost always a lead-acid battery failure causing the battery to vent hydrogen sulfide (H2S). The battery needs to be replaced as soon as possible. As an additional ...
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56 votes

Smell of rotten eggs in the server room

It sounds like one of your lead-acid batteries has gone bad and is now leaking hydrogen sulfide (H2S) into the air. You will obviously want to replace the battery, but I would think some cleaning may ...
10 votes
Accepted

New UPS Batteries Dying in Months

That is not well known feature of the APC Smart UPSes. Each time your UPS goes back on the wall and the batteries are recharged, controller counts the energy stored in them. Acid accumulators have ...
  • 6,904
6 votes

New UPS Batteries Dying in Months

My thought is that you should have an electrician check the quality of the power. I have this same issue in a number of the plants I support. Our issue is that the plants have dirty and uneven/low ...
  • 61
6 votes
Accepted

RAID supercapacitor only card (to replace BBU maintenance free)

Adaptec does such a thing. https://storage.microsemi.com/en-us/support/infocenter/release-2015-1/index.jsp?topic=/RAID_IUG.xml/Topics/Installing_a_RAID_Controller_with_ZMCP.html P.S. Supercapacitors ...
5 votes

APC UPS replace battery illuminates

A battery can hold between 1 and 10 years. This depends on many factors like: battery lot, storage conditions, usage conditions. If the capacity suddenly dropped to a very low value, it means the ...
  • 3,018
4 votes

What is the lifespan of an typical UPS battery?

APC says 3-5 years: http://www.apc.com/solutions/display.cfm?id=1371A38E-2B31-B5C1-CADC3E466F676960&ISOCountryCode=us Also here: http://www.schneider-electric.us/en/faqs/FA158934/ The above is ...
4 votes

Change the UPS battery while it's powered on?

I "Hot Swapped" 3 APC Smart UPS 1500 batteries at three different power plants here in southern California. These UPS systems are used to power the CAISO RIG (California Independent System Operator ...
3 votes

APC UPS replace battery illuminates

A damaged or worn-out battery may sometimes provide a good-looking voltage when idle, but be unable to provide anything like the specified amperage, so the voltage will drop as soon as the battery is ...
  • 4,343
2 votes

APC SMX3000 Smart-UPS Battery has never been cycled. Is it still good?

Make sure the battery is connected. Really... you have to plug the internal battery in on new units, as they ship disconnected. Has this been done? If not, definitely do it. If you've done the ...
  • 196k
1 vote

How to test a battery outside a UPS

Is there another test I can do to ensure the battery needs to be replaced before spending money on a new one? Plug the UPS into utility power, plug your equipment into the UPS, then unplug the UPS ...
  • 109k
1 vote

APC Smart-UPS 3000 turning off but passing own test

You pinged me on my similar post here : APC Smart-UPS turning off by itself? Just wanted to let you know that a few days after I posted, the UPS suddenly went OFFLINE with no prior warning due to an "...
  • 21
1 vote

APC Smart-UPS 3000 turning off but passing own test

The mainboard might be faulty. Your only hope is a cold reset and watch after if it work better after. The Cold start procedure is used to determine if a UPS is functional if it will not turn on ...
  • 16.6k
1 vote

What is the lifespan of an typical UPS battery?

I think it depends on the size of the UPS. At one job we had a UPS for our entire server room and we had load test ran every 6 months and I believe we changed the batteries every 3 years. For our ...
1 vote

New UPS Batteries Dying in Months

I have worked on UPS for over 15 years, for many manufacturers. It sounds to me it my be a problem with what those UPS are supporting. Is it a switching power supply and are the UPS close to being ...
1 vote

Dell PowerEdge 2900 rom Batt

Update the controller firmware, clear the archived message in your BIOS, else it's a DOA battery.
  • 16.6k
1 vote

Hardware RAID controller cache battery failure frequency/lifetime?

My experience with IBM versions of the LSI platforms over a few hundred installs is that the average battery barely makes 2yrs, and supercap isn't any better, some of which can be fixed with a ...
  • 11
1 vote

Hardware RAID controller cache battery failure frequency/lifetime?

Average battery life should be 3-5 years. And don't forget that flash-based FBWC fails also. I don't know why/how, but we were replacing them fairy regularly on our HP servers. I should last longer ...
  • 1,518

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