HP (A2997A#002#017) UPS System Logo

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Azem Kastrati Posted on Oct 16, 2006
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UPS 1800VA I want to change bateries in my UPS HP A2997A 1800 VA. Is it possible to change these bateries with 5x12V bateries and 55 Ah(car bateries.

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You can increase the capacity of the batteries from the original equipment, but you cannot put more load onto the UPS. Your runtime may be increased, but you may have trouble fitting the car batteries into the case. Some UPS's have external connectors for external battery packs. Find one of those and add the batteries to it. Make sure that you maintain the DC voltage which the UPS requires. It may be 12 volts or 24volts. Two 12 volt batteries in Series.

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You can go here to replace these batteries: http://www.batteryspec.com/ecomm/cart.cgi?action=link&product=19210

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Unfortunately not. The batteries for UPS's are made exactly for each model, not only in voltage and amperage ratings, but also to fit in the UPS casing.

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0helpful
1answer

UMAX UPS 500 VA, 12V 7.5 AH battery

check the battery because if it is more than 5 years old , they have a habit of expanding and cracking the case
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UPS for LED tv

The set need a UPS with minimum 500W load capacity
1helpful
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Why to frustration in room temperature?

UPS can only handle a high temperature of about 104 degrees, however the batteries should not go over 77 degrees.
0helpful
1answer

How do you check the battery status?

Check battery voltage using Volt meter=> it should be about 12.6 to 13.8 vdc.
Pull the battery out... checking the deforming at the case ..such as "swelling"... if yes .. replace the battery.
Replacement battery is about 10-20 dollars on e-bay (watch for shipping charge and size. and terminal connection sizes )
The average life of battery on UPS is about 5-7-10 years wi)th UPS plugged in (Charging
One I had my local Autozone checked my 12 VDC -8 AH ... ask them to set CCA at about 100 AMP...
for 12 VDC -14 AH ask them to set CCA about 200 AMP.
For a 12 VDC -75 AH (group 24) they set the load on their tester at about 700-900 CCA.
You can also buy a manual battery load test at Harror freigt tool for about $20 US dollars (On sale)

1helpful
1answer

I have MGE pulsar extreme 3200c and I wanted to know that what is the Max battery size (Ah) I can use with it to get Maximum backup time for several hours. Thank you Azam Latif

Hi, I have this ups as well, My personal adjustment with this ups, is I have installed 6 external Ags Number 120, 15 plates per battery, in pairs. And its working fine on my end , and yes ups is able to charge them all without over charging or any other problems. My ups Already has 6 internal batteries bank installed, attaching these external batteries has increased the backup time.

Thank You.
1helpful
4answers

It is possible to attach the 120 AH battery with APC 1000 va UPS

YES IT IS POSSIBLE TO CONNECT A LARGER BATTER TO THE APC UPS. IT WILL ONLY NEED MORE TIME TO CHARGE THE BATTERY.
0helpful
1answer

I HAVE HP 800VA UPS AND I WANT TO ATTACH A 12V 42AH BATTERY INSTEAD OF 12V 9Ah BATTERY IS THERE ANY PROBLEM TO MY UPS OR NOT.

Well you see it may not charge properly, on the other hand it may just trickle charge it so ok. It will NOT hurt anything though it would just last longer.. providing it gets charged.
0helpful
1answer

Ups is not getting charged

Turn it off, and remove the battery.
Check the manufacture-date on the battery -- it's probably very "old",
i.e., it has expired due to old age. Replace the battery.
Or, there are places that will take the battery, open it,
replace the rechargeable cells, close it, and ship it back to you,
for a lower price than buying a new battery.
0helpful
1answer

WHAT IS THE AMMOUNT OF POWER CONSUPTION FOR A UPS OF 30amphs and a model of R5500XR

That UPS is rated for 5000 VA and 4500 Watt.

It will power appliances at 100% for a bit less than 5 minutes (5 minutes correspond to 31.25 Ah, not 30), but "typical" endurance time is around 15 minutes.

Maximum power consumption is around 4600W, which is for a completely flat battery being recharged while at the same time powering 4500W (100%) of utilities.

Detailed specs here:

http://h18000.www1.hp.com/products/servers/proliantstorage/power-protection/rackups/r5500xr/specifications.html
0helpful
1answer

Battery charging problem

well, the charging voltage is the right one, you may have a problem with charger board, did you check that? tbe 2 big capacitators, maybe you will need to change them, there could be a couple of things, and to be honest i don´t have the circuits sheets, cause i stopped working with powerware.
good luck.
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