Question about Powerware NetUPS UPS System

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How can a now if a battery is bad?


The ups don't work when the power fail. I have 2 battery in stock but I don't want to buy 2 more for replace all the batterys.
How can a now what battery in use are bad?

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Batteries can be measured if you are having an electronic voltmeter.
you are saying that your ups is not working after a power fail... there are two chances your battery might be gone or else your ups is not providing the enough charge for the battery to stock. DONOT TRY TO REPAIR THE UPS INSIDE PARTS. Take that to a service personnel asap. if you are making late then if battery is good, then the damage of the battery will be started. cos battery will have maximum life if it is kept in full charge. no charge in the battery will make its life decreasing.

try to show ur ups to the authorized service personnel.......

hope this helps. but be sure before investing in the ups. ask the service personnel to check the battery condition also.

if your battery warranty is expired than that means naturally it is in decay process. then there is no option for you other than buying a new battery

Posted on Feb 06, 2010

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Posted on Jan 02, 2017

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On off knob just turns


Your volume potentiometer is bad and needs replaced.

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After sitting for a while I can get about 2 normal sounding cranks when I turn the key and then nothing. I still have power so I don't have a clue. It started when my wife pulled out of the driveway...


no ,you dont have power.
the battery uses 100 to 500 amps to run the starter.
normal is 100amps , on warm day. really the starter is the ACID test of any battery.
the ignition uses 5 amps. (nothing) same with lamps. trivial currents.
the battery is not charged, , so charge it. or...
if the battery is bad , it will not take a charge and hold 12.6volts.
try a known good and charged battery in car. that work?
yes?
then either the battery was bad, or you left on lamps?
or the charge system failed and battery drained.
bad cranking 101
1: bad battery.
2: discharged battery (or any reason)
3: bad battery connetions, corroded lugs.
4: charge system failure.
5: phantom drain (dark current) or left on lamps over night.
1: put in fresh good battery.
2: start car, is voltage across battery terms near 14.7v?
yes, good charge system.
no?, its 12.5v, charge system is dead.

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What is prise md 9000 cemra


Your question is impossible to answer, sorry.

The price varies depending upon whether the unit is new or used.

If it's new then it's going to be old stock as the model is obsolete and should be discounted heavily and supplied with a full warranty (unused cameras of all types tend to gum up, so old stock new ones may not work at all, also the batteries don't fare well when left uncharged for long periods).

If it's used, then it depends entirely upon the condition of the camera and of the supplied accessories. DV tapes and the batteries may be so heavily used that immediate replacements are required, you might also have to add the cost of a battery charger if missing. Check that all leads are present, some have generic connectors and are easy to replace at low cost, others may have proprietary connectors which are difficult/impossible to replace. It's a mechanically complex piece of equipment, so if it shows any signs at all of having been dropped then don't buy it. Don't buy it at all without thoroughly testing all functions and controls and then viewing the playback on a good quality external monitor with sound.

Finally, even if I could have suggested a price, it depends upon the country/state you're in and the currency in use, none of which you stated.

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1 Answer

Replaced battery 2 months agoon HP zd7010 when I kept getting low battery/cannot charge/must shut down. If I removed battery and was connected to power cord, the laptop would boot/work. Now getting same...


know one here can answer any of that.
if the power pack is good, 19vdc in to the mobo then its GOOD>
if not not.
if the battery is bad, it can cause a dead system. shorted batteries do that, so leave it out. and run on the power pack
why not do that?
lets say battery out it still fails..
so the power pack is bad or the jack on PC is bad.
ive seen cloned battery packs from china fail in 1week
many. if you watch the news ,some catch fire, and lots of recalles.
even hp.com has recalls.... for this... as do all makers....
Batteries by there nature are problematic, for 100 years now...

whats the point there? use HP packs?

why not have 2 batteries , so when one fails the other yells
see I WORK>?

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1 Answer

Laptop freezes. Turn off. Wait. Turn on. 3 beeps. Small light on lid lock lights for about 12 secs then flashes 4 times. Cycle repeated.......No screen picture.


The most common cause of the '3 beep issue' is memory or RAM failure. Generally, only one memory stick goes bad (you only need one stick for your computer to work) so here's what you do:
Step 1: make sure the MacBook is off then remove ONLY 1 memory stick. After you remove it, place the battery back in the battery bay then try powering it on. If it works, you'll know that memory stick is failing and you can buy a new one fairly cheap.
Step 2: If step 1 didn't solve your issue, replace the 1st memory stick and pull out the 2nd. Replace your battery in the battery bay then power up. Usually one of the memory modules is bad. If neither step works for you, try getting a compatible memory stick that you know is working just so you can rule out both memory sticks being faulty. Here is my email adress: i_Patch,securepath@live.com Don't forget to vote if this helps you and good luck! Contact me if you have further questions.

Apr 18, 2010 | Computers & Internet

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Device is making a whistling sound or humming sound. It still has power and is powering the devices plugged into the back up system.


Is the unit running on battery power? A hum is normal when the inverter is running.

if it is CONSTANTLY making a humming noise, it is possible the unit is failing. Check your battery inside the unit, make sure it does not look swollen at all. If it is, you know the unit is failing and overcharging the battery. If it is not, pull the power cable from the outlet and see if it provides back up power and then plug it back in.

If the connected equipment stays on line, then the unit is working fine however I would consider buying a replacement UPS in the near future, a constant hum all the time is a bad sign.

Mar 10, 2010 | APC BE325 SURGE PROTECTOR + BATTERY...

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Why does my apc350 squeal when on is it the battery? the green light is on


that is the inverter inside operating. the pitch should not be objectionable, but if it continues, you may wish to consult with the maker and ask if inverter is failing early

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1 Answer

Replacement Battery


PDA 2005 (as old as)
bad power supply ( weak)
bad battery charger chip inside.
this device has no value, really, why spend hard labor on such old tech? if compelled, buy 2 or 3 other dead 4360s ones, used off fleabay
to get one good one.
There is no PC made that will not fail.
consider this, if you had 2005 Toyoto car and the alternator went
bad , as all do about NOW. do you Boycott, Toyota.
nothing made by man lasts.
even earth is doomed, but not in 11 years.

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