Question about APC BE500U ES 500 USB BACK-UPS 500VA/300W 120V (NEWITEM13161417) UPS System

1 Answer

My UPS does not charge my new battery even if it is online!

I have this weird problem since many years. My UPS does not charge my new battery even if it is online. I have a Back-UPS ES 500 model from APC. Until few months ago I thought the batteries life is gone and mistakenly replaced the batteries in good condition with a brand new Exide battery. But still after this, it is still in that pathetic condition. It does not charge the batteries enough and sometimes doesnot charge at all even if it is left online for almost a complete week!. Need experts help what could be the problem with UPS. It is really irritating. Thanks in advance for your suggestions/help.

Posted by harykishan on

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1 Answer

Jesrey Paco-in

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  • 91 Answers

Check your UPS charging circuit

Posted on Feb 20, 2013

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5 Related Answers

Anonymous

  • 8 Answers

SOURCE: apc ups flashes red light to replace battery, but battery is new

i think by replacing the battery has not been the solution to the problem

u need to check the battery charging voltage when turned ON with main electricity, if no voltage present from charger, there is no question of battery getting charged and also once the battery is down with charge it may not re charge hence the indicator and alarm.
recomended to nearest service centre

Posted on Sep 13, 2008

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Anonymous

  • 3587 Answers

SOURCE: APC Smart-UPS 1500VA

yeppers...those APC units sometimes kick the monitoring software. sometimes you need to unhook the connection cables(like a reset) so that the firmware can 'unlock' which can cause that christmas tree effect on the panel lights.

Posted on Feb 06, 2008

Anonymous

  • 19 Answers

SOURCE: APC Back-UPS ES 500: green light flashes&continuous warning tone

On this unit, the likely culprit is the battery and that it needs to be replaced.

With that, you may want to think about the pros and cons of replacement versus buying an entirely new unit.

This unit is a relatively low end ups and the surge supression uses MOVs that wear out with repeated absorption of energetic spikes. That's why the better (and higher cost) UPSs and surge suppressors don't use them. They're not really that good anyway due to their relatively high transient impedance. The better equipment uses a "transorb" -- basically a back-to-back high voltage zener diode optimized for low breakover impedance and high instantaneous power capability. Unless the transient exceeds the design parameters of the circuit, these do not wear out and do not degrade. That being said, I will assume that you would likely replace this unit with a similar one.
The flashing may not be the battery at all and may be the charging circuitry, thus your new battery may not live very long (half the life that you would expect.

Many batteries out there are refurbs and have issues as all used parts do.

If you contact APC, they will likely give you a 35% discount on purchasing a new product.

The difference in price in the battery replacement vs. ups replacement at this level may only be a few dollars more.

I promise that I am not a UPS salesman, I just deal with many on a daily basis; therefore I am giving my two cents to try to thelp you avoid problems a year from now.

Posted on Dec 30, 2009

Testimonial: "Outstanding answer with right amount of detail. I swapped battery with identical APC UPS that I have and vfd that battery was cause of warning tone."

Anonymous

  • 28 Answers

SOURCE: green light flashes with a constant buzzing sound

It sounds like you need a new battery. If the APC is more than 3 years old, that is likely the problem. You can get a new battery from http://www.batteryinternational.com/apc-backups-es-be500u-ups-battery-ups-batteries-f2.html

Posted on Jun 23, 2009

Anonymous

SOURCE: low battery alert on my apc - ups es350

Have your supply voltage and frequency checked under load.
/bz

Posted on Mar 11, 2008

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0helpful
1answer

My eaton ups shows min charger voltage

no UPS stated, model.
how old are you batterie(s)
charging errors of most kinds means the battery is bad.
they can do that even year old, but mine last about 3 years on avg.
no battery in any USB with Gel Cells, last a long time.
a fraction of all else inside the box. in fact.
buy a new battery and put it in.
0helpful
1answer

The power wents off and the batery got completly discharged , then i turn it on and run the self test and replace icon staid illminate but in the next self test didn't, i hace to replace the battery?

First tell how old is your UPS ?
if its older by two to three years may be the Battery eeds a replacement .Try charging the battery externally with a good battery chargers but before charging externally please take out the battery outside.
Then if the battery shows very low voltage even after charging for some 8 hours then you have one alternative that is replace with new battery.and promptly keep it under charge with out fail.
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APC Back-UPS ES500. Battery is new replacement UB1280, and battery has charge and runs fine if unit not plugged in. However, if unit is plugged in to power back-up side outlets in unit don't work.

there are 2 parts of a UPS .
the charge side
and (battery is obvious)
the inverter side.
if the charger fails, all is lost. (are the batteries in backwards?)
if the charger works (volt meter tells you that)
then the inverter is bad. (this unit is not full time UPS , but part time, this means it switches over to inverter at power fail.
(on full time sys. inverter runs full time, like the name states)
the unit, you mean the load right.?
the UPS side plugged into a load. and the load is now dead.

the Backup plugs should work if the mains are hot.
if you kill mains, the inverter will fire off, (hear the squeal?)
and give you 500 watts for some minutes, sucking the batteries dry. (see load run time curves)
I used to do service on HUGE UPS systems, some with 100s of batteries. 3 to 5kw too.
on ours there is a port on the rear , we connect and can
check everything "BEST brand" even charge voltage.
did you look on APC site for special software and connections?

the manual does cover trouble shooting, ever read that?
RTM? start there, its online, for sure.
0helpful
1answer

Backup power ends quickly even with new battery

What is the load on the unit? How old is it?

The symptom can occur if the load is too large. It will also happen when the unit reaches a certain age.

I've found that the low-end consumer UPS's should be replaced when the battery fails. The charging circuitry usually fails to charge the battery even with a new battery soon after the replacement.

The way I check if the battery or the UPS charging system has failed is with a voltmeter to give the current voltage and a variable DC power supply (whatever is appropriate for the battery) to attempt to charge the battery. I can watch the battery discharge with an oscilliscope if I want a full trace of the unit.) Charge the battery fully then watch the unit over time. If the battery itself is bad, you won't get the full charge or it will discharge as soon as it is removed from the power supply.

I hope this helps.

Cindy Wells
(the server UPS's tend to be a better choice if you want to replace the battery and keep the UPS.)
0helpful
1answer

Belkin F6C1500-TW-RK discharged new batteries, won't recharge

This sounds like a battery issue...I would have the unit and batteries tested at your nearest batteriesplus store... www.batteriesplus.com
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2answers

I WANT TO CONNECT TWO APC UPS 700 VA UNITS TO SINGLE 24 VOLT BATTERY. BY DOING THIS MY INTENTION IS TO CHARGE THER BATTERIES RAPIDLY WHEN THE ELECTRIC SUPPLY IS RESTORED. IS IT POSSIBLE TO CONNECT TWO UPSs...

waheed70, NO!!!! NO!!! NO!!! DO NOT EVEN THINK OF DOING THAT!!! You may cause catastrophic failure to not one but both APC ups units and will void any warranty you might have!!! If you are in need of longer run time on battery back-up, then start looking into buying an "ONLINE" ups system somewhere in the 5 to 10 kva range. Check out "chloride" systems and "powervar" and "toshiba" and "ONEAC" for info about "true online" battery back-up systems. Bye for now. 12fixlouie
0helpful
1answer

Infinit loo between online and on battery?

shady545, If units have batteries older than 3 years of age, they may need to be replaced. I suggest you evaluate each unit one by one and try swapping in a new set of 12v 12ah or 18ah fully charged batteries to see if that will clear-up the problem in at least one unit. I had to replace both batteries in my APC1250 when one battery developed a shorted cell. Let me know what you find out with your units. 12fixlouie 30min north of Windy City
0helpful
2answers

Unit came to me brand new... The Power will not come on or power up? Checked the outlet..it is hot?

Check the batteries. If they are not fully charged, it will not come on. These systems use 2 6v batteries in series to make 12v.
0helpful
2answers

What r different Ups testing methods

Self-test: Verifies that all UPS components are functional.
Runtime-test: Determines how long UPS will run on battery.

Replace home UPS batteries ever 2-3 years.
Replace commercial UPS batteries every 3-5 years.
Replace entire UPS units every 5-8 years.

Get more details by visiting manufacturer's website or calling them.
1helpful
3answers

APC back UPS 400 fails to give back up

I have the same problem with an apc smart-ups VS 650.

 

New batteries - charge in batteries is good (also tested under load).

 

When AC power fails, no power is supplied to PC connectors by the UPS.

 

UPS self test works fine. UPS does not report any problems via software - Power Management under Windows XP.

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