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Will not function unless plugged into mains, says battery is fully charged

Turns off immediately on removing mains lead, will not switch back on unless plugged into mains. Battery should be, and says it is, fully charged.

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  • Master
  • 7,627 Answers

How old is the battery? It may be time to replace it? Always use a genuine replacement.

Posted on Apr 29, 2013

Testimonial: "Sadly, battery is a 3-month old OEM part, so I'm not in a rush to buy a new one. It was working fine last night too! Thanks though!"

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6ya6ya
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Hi,
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Posted on Jan 02, 2017

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rcalorisian
  • 313 Answers

SOURCE: Battery fully charged, icon says fully charged but

sounds like you "MIGHT" have a bad battery. But before you go shopping try to reset you battery..

  1. I have had the same problem and emailed Acer. You need to upgrade your BIOS settings and it will be fixed. www.acer.com.au/helpdesk

    This was acers response:

    Dear customer,

    Recently it was identified that a small number customers were experiencing a problem with the battery where it would not hold a reasonable amount of charge. We have released an update that should be applied to your computer to resolve this issue. Please complete the processes below and should you have any problems please do not hesitate to contact Acer support on 1300 365 100 or log a service request online at www.acer.com.au/helpdesk.

    Thank you, Acer Support

    THey also sent me a word doc with the process and a zip file with the BIOS update. I can not upload the up on these forums but if you go to acer they should respond within 1 hr. I sent my request at 1700hrs on a Sturday afternoon and got a response within 40 mins.
    ** if you need help with that then, this is how you do it. **** After download Acer Aspire one – battery not charging.
    Solution: Update the bios as follows:
    1. Go to www.support.acer.com
    2. Click on Driver & Downloads
    3. Select Product Family “Netbook”
    4. Select Product Line Aspire One
    5. Select your Product Model i.e.: AOA150 (located after MFG.Date:xxxx AOA 150 – xxxx)
    6. Click on the BIOS tab below


  1. Just a little more information on the Acer Aspire One Battery not charging issue:

    BIOS revision 3309 (and later) has a fix for battery charging particularly the 6-cell batteries, however if you have the latest BIOS and your battery still isn't charging a good solution is to power down the computer, remove the battery and unplug the AC power cable then push and hold the power button for a whole 2 minutes (nothing will happen, we're trying to completely drain all residual voltage from the mainboard to reset it), then release the power button, install the battery and power up the computer, it should now recognize the battery and begin a normal charge cycle.

    I have read other posts that claim to hold the power button in for 1 minute which I tried and it did not work, you must hold it in for the whole 2 minutes. (which is probably what you were advised to do,as you mentioned.I just like to cover all the bases,)
I know it is a lot. But I hope it helps

Posted on Oct 27, 2009

Testimonial: "So helpful,thanks will try this first- saw other posting bout 'BIO', Acer said hold for 30 secs- then post back under warranty- not keen"

  • 309 Answers

SOURCE: My Toshiba Satellite Pro A200 works fine if I use

It sounds like the connector from the A/C adapter to the motherboard is loose or the inside of the adapter plug that attaches to the motherboard is defective.

Posted on Jan 08, 2010

Testimonial: "Thanks for the super quick reply. I was thinking along those lines. I'll take both units apart and compare them. Cheers Paul"

  • 551 Answers

SOURCE: i use an advent 4211c,it only works while on AC

The problem is your battery pack. Just replace the battery pack the you have with a new one. But before using it, you need to recharge the new battery for 8 ~ 12hrs continues charging. After charging you can now use you laptop.

Posted on Jul 19, 2010

  • 31 Answers

SOURCE: Advent Roma 1001 laptop. Turning on the laptop via

The fact that the laptop is recognising the battery's presence and yet is not receiving any power from it is not a good sign I'm afraid. There are batteries available online for around £40 but you may want to take the laptop to a repair centre first where they can usually tell you (for around £7-£10) if it is definitely a battery malfunction or not before you splash out on a new one.
Sorry I can't be any more help, battery issues are usually pretty black and white, they're either broken or working. Hope you manage to get it sorted either way.

Posted on Mar 01, 2011

  • 1 Answer

SOURCE: Battery is fully charged, but netbook won't

I would say that you definitely need to purchase a new netbook battery. If it's only turning on when plugged in, then the battery itself doesn't have any more charge cycles.

Posted on Oct 10, 2011

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Kawasaki zx12 not charging . I cut out plugs from stator to rectifier and soldered them. after doing this , when I plug in rectifiers other plug to main circuit , it blows main fuse at the battery.


Hi, Wayne the following is a comprehensive charging system test that I found on a Rider Groups website. 1. Battery Test: The battery needs to be a fully charged battery that has been load tested to ensure proper readings. If you are not working with a fully charged and functional battery, all other voltage tests will be incorrect. Most places like Auto Zone, Advance Auto, and Pep Boys will charge and test motorcycle batteries for free. Standing battery Voltage should be 12.5-13.2 DCV.
2. Charging System Voltage Test: Start motorcycle, Measure DC Volts across the battery terminals (you should have a reading of approximately 13.2-15 DC Volts).
3. Check Connections/Wires: Inspect the regulator/stator plug, and check the battery terminals for connection/corrosion. If everything seems to be in order, move on to number 4 below to determine if there's a failed component.
4. Stator Checks/Rotor Check: Each of the following tests isolate the Stator & Rotor If AC Output test Fails and Resistance Check, and Stator IB Test Pass then Rotor is at fault (Pull Primary covers and inspect rotor for damage).
AC Output Check:
Unplug the regulator plug from the stator
Start motorcycle and change Voltmeter to AC volts.
Probe both stator wires with your meter lead
The motorcycle should be putting out approximately 18-20 ACV per 1,000 rpm. (Reading will vary depending on system, check service manual specification)
Generic Specs:
22 amp system produces about 19-26 VAC per 1,000 rpm
32 amp system produces about 16-20 VAC per 1,000 rpm
45 amp system produces about 19-26 VAC per 1,000 rpm
Stator Resistance Check:
Switch your multimeter to Ohm x 1 scale.
Probe each stator wires with meter leads and check resistance on the meter.
Resistance should be in the range of 0.1-0.5 Ohms. (Reading will vary depending on system, check service manual for specification)
Generic Specs:
22 amp system produces about 0.2 to 0.4 ohms
32 amp system produces about 0.1 to 0.2 ohms
45 amp system produces about 0.1 to 0.2 ohms
Stator IB test or Ground Check:
Switch your multimeter to Ohm x 1 scale.
Probe each stator wire with your positive lead on the multimeter and the negative to ground.
There should be no continuity to ground on either wire.
If there is continuity to ground your stator is shorted to ground.
5. Regulator Test: Each of the following tests isolates the regulator only, so if any of these tests fail, the regulator is at fault.
Identifying Wires:
Battery Charge Lead- Wire going from regulator to battery positive.
AC output leads- Wires coming from the Stator to the regulator.
Ground- Wire from Regulator to ground or regulator may be grounded via the physical bolting to chassis.
Regulator Ground Test: Ensure the regulator body is grounded or grounding wire is fastened tightly to a good ground (you should verify this by checking continuity from regulator body to chassis ground).
Fwd/Reverse Bias Test/Diode Test: This check is testing the Diode function to ensure it is regulating the AC current for the stator into DC Current.
Switch multimeter to Diode Scale.
Place your Multimeter positive lead on each AC output wire.
Place your multimeter negative lead on the battery Charge wire.
The meter should read voltage typically around .5 volts.
Next, switch your multimeter leads putting the negative lead on the AC output wires and the Positive lead on the Battery Charge Wire.
The reading should be Infinite.
With your meter on the same setting, place your multimeter positive lead on the regulator ground wire or to the regulator directly, and then place your meter negative lead on the AC output leads.
The meter should read voltage typically around .5 volts.
Next, switch your multimeter leads putting the negative lead on the regulator ground and the Positive lead on the AC output wires.
The reading should be Infinite.
Note: Below is a table to show the readings:
Positive Lead Negative Lead Reading
AC output 1 Battery charge lead Voltage
AC output 2 Battery Charge Lead Voltage
Battery charge lead AC output 1 ?
Battery charge lead AC output 2 ?
Ground AC output 1 Voltage
Ground AC output 2 Voltage
AC output 1 Ground ?
AC output 2 Ground ?
Before diagnosing your blown fuse issue check the bottom of your seat if it's metal and comes in close proximity to the positive battery post you need to take the necessary steps to ensure there is no contact (electrical tape, thick rubber insulation, hammer a dent in the seat bottom etc.) also you are going to need a wiring from your service manual a test light, an ohmmeter and plenty of extra fuses. If you turn on your ignition switch and immediately blow a fuse you have a hard/dead short and is usually easy to find. With a test light connected to the hot side of the blown fuse holder start stabbing the wire/s that leads away from the fuse holder and towards the ignition switch, you test light will illuminate validating the short. When the test light fails to illuminate you have passed the short and need to back up until the test light illuminates, then look in the immediate area for the short.
If you driving down the road for 30 minutes or 15 miles and blow a fuse you have soft/flying short and may take some time and patience to find.
If the main fuse/circuit breaker constantly blows/trips while riding you probably have a faulty battery terminal connection. Check battery terminals for damage or corrosion, check battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary. Any other fuses that constantly keep blowing while riding are usually caused by a loose or corroded ground wire in the circuit, which means you have to check, inspect, test each and everyone with and ohm meter set on a low ohm scale 100 ohms or less . Simply touch one lead to the ground source and the other lead to the battery negative terminal, a reading of zero indicates a clean solid ground. Any number reading or infinity indicates a poor ground and needs to be repaired. Poor or weak grounds require excessive additional amperage to complete the circuit which in turn blows the small amperage fuse. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a wonderful day.
http://www.jetav8r.com/Vision/Stator/fault_finding_by_www.electrosport.com.pdf
charging problem 00 12 ZX12R ZONE com
Kawasaki NINJA ZX 12R Service Manual
OEM Parts for Kawasaki
Kawasaki Ninja Owners Manuals

Feb 10, 2017 | kawasaki Motorcycles

6 Answers

I have a vector 300amp that will not charge or hold a charge.This is the first time i needed a jump start my car and did not work! It was fully charge. It must be a Manufacturer defect!What to do? You


The FIRST question to answer is, how old is it? If you have had it, unused, for much more than a year, then you shouldn't expect it to take and hold a charge, unless it's got an advanced battery system installed that is. Most of these are produced 'down to a price', not 'up to a standard' and are equipped with lead-acid batteries. As many will know, lead-acid batteries soon lose their ability to take and hold charges unless they're put into immediate and regular use. However, if yours is inside a year old, then you might just have some come-back. Make sure to read the instruction book. You MAY find it says 'charge it immediately ... etc!

Jan 26, 2015 | JUMP START SYSTEM

1 Answer

The battery on my c650 laptop has a charging problem


Your battery may not be securely in the laptop.
You may also need to purchase a new laptop battery.
I would go to ebay or amazon to find a decent priced laptop battery.

Aug 26, 2012 | Toshiba Computers & Internet

1 Answer

Not charging


To test the chargeing system on your bike. First, text the battery. Unless it is "brand new" there is always the posibility that your battery is the problem. This is especially true on an Ironhead Sporty due to the vibration. Take it to an automotive parts store and ask them to load test it.

The first thing we want to do is to "polarize" the generator. Using a jumper wire, MOMENTARILY touch the wire from the "A" terminal to the positive terminal of the battery. Just make it spark, that's all.

Now, with the battery FULLY CHARGED, connect a DVOM (digital volt ohm meter) to the battery. Red meter lead to the positive and black meter lead to the negative. Put the meter's function switch in DC VOLTS, 20 VOLTS or greater scale. Start the engine bring it to a high idle. The meter should read 14.5 to 15.0 volts. If not, test the generator.

First, remove all the wires from both the "A" and the "F" terminals. put your meter's function switch to DC VOLTS, 50 VOLTS or greater. Connect the red meter lead to the "A" terminal and the black meter lead to a good ground. Start the engine and bring the revs up to about 2000 rpm. MOMENTARILY, connect a jumper lead form ground to the "F" terminal of the generator. Your volt meter should read 25-30 volts.

If your generator output is good, you need to replace your regulator. If the output of the generator is zero or low, you need to service the generator. Check the brushes to make sure they're not worn and you may need to recondition the communtator surfaces.

Good luck
steve

Sep 19, 2010 | 1979 Harley Davidson XLH 1000 Sportster

1 Answer

Battery don,t stay chargerd up


The first thing to do is to have the battery tested. Take it out and go to an automotive parts store with it. Ask them to load test the battery for you. They'll usually do this at no charge.

If the battery test good, put it back in the bike and make certain it is fully charged. Now, you'll need a DVOM (digital volt ohm meter) to test the charging system. Put your meter's function switch in 'DC VOLTS, 20 VOLTS OR GREATER postition. Start the engine and bring it to a high idle. Touch the meter's red lead to the postive post and the black lead to the negative battery post. You should read between 14.5 and 15.0 volts. If you read this, you charging system is alright and you may have another problem. If not, continue on.

To check the alternator, look for the alternator wires coming out of your engine case near the front of the primary cover. Follow them back and you'll find a round plug. Unplug the plug. In the alternator end of the plug (the other end goes to the regulator) you'll see two metal sockets or pins. Now set you meter's function switch to AC VOLTAGE, 50 VOLTS OR GREATER. Since we are measuring AC voltage, it make no difference which meter lead goes to which metal socket or pin. Start the engine and bring it to a high idle. The meter probes to the metal parts in the plug from the alternator. You should read 30 volts or higher. If you read nothing, first check the function switch on your meter to make sure you're in AC Voltage scale. If your meter is right and you read no voltage, your alternator stator is bad. If you read the minimum voltage or greater, the alternator is good but the regulator is probably bad.

Good Luck
Steve

Aug 16, 2010 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

Whenever I turn camera on it immediately turns off.Battery new and fully charged.


Here are the steps for M873 no power problems: 1. Clean the battery contacts. a. Remove the battery/batteries and the memory card from your camera, then wipe the battery contacts with a soft, clean cloth. b. Reinstall the battery/batteries into your camera. Please make sure that you are installing a fresh/ fully charged battery c. Turn the camera on. 2. Without the memory card, turn your camera on. (If it works then it?s your memory card that is faulty) 3. Please test with the a different battery If you do not have access to another battery Try these steps instead: Please take the battery out of the camera. b. Insert the charger into the unit from the main socket and turn the camera on. If the camera works you will need to replace the battery. If you camera doesn?t switch on you will need to order a no power repair with KODAK or a new cable.

Jan 18, 2010 | Kodak EasyShare M873 Digital Camera

1 Answer

My IBM thinkpad a31 on works when i plug it in but i just bought a battery and it charges all the way but when it is unpluged and is on battery power it just turns off


How fast does it turn off? If it is within minutes, then the problem is the battery or the actual charging mechanism that switches from adapter to battery.

If the battery is fully charged and turns off immediately, get that particular part of the laptop checked out. It probably will need replacing.

Aug 10, 2009 | IBM ThinkPad A31 Notebook

1 Answer

Toshiba satellite A210 11-P crashes when i disconnect the power lead


From Toshiba, try step-charging the battery or Battery conditioning procedures:

Batteries don't last forever. All types of batteries gradually lose their ability to hold an electrical charge as they age. Eventually, the computer's battery charge indicator may show that the battery contains less than a full charge, even though the battery has just been fully charged. The computer will then not run for as long a time from the battery as when the battery was brand new.
You may prefer to simply replace the battery if this happens, but you may also wish to try 'step-charging' the existing battery per the following instructions.
This procedure should work for the battery in any Toshiba notebook. Follow it only when you find that the computer will run from the battery for just a short while.
Check the User's Guide for more specific information about charging the battery in your computer .

Procedure

Step-charging the computer's battery

  1. Unplug the AC adapter from the computer, and turn ithe computer on. Let the computer run from battery power until the computer turns off, indicating that the battery is fully discharged. Time this interval, but not with a software clock running on the same computer.

  2. Remove the battery pack from the computer.

  3. Unplug the AC adapter from the computer.

  4. Wait at least 30 seconds. The first time through this procedure, use a soft cloth to wipe the battery pack's contacts and the AC adapter's plug.

  5. Re-insert the battery pack.

  6. Plug into the AC adapter into the computer again and check the fit of its plug in the wall outlet, making sure the connection is secure.

  7. With the computer turned off, let the battery charge until the battery status light or icon glows green, or otherwise indicates a full charge.

  8. Unplug the AC adapter from the computer.

  9. Remove the battery.

  10. Wait at least 30 seconds, then re-insert the battery.

  11. Plug the AC adapter back into the computer.

  12. Let the battery charge again until the battery status light turns green or otherwise indicates a full charge, again.
Repeat this procedure, starting from step 1, at least three times. Each time, check to see if the computer runs longer from its battery than the previous time.

Battery Conditioning:
IMPORTANT!!
Interruptions in the charging cycle can be responsible for an issue called "memory effect" which may reduce the battery's charging capacity. Whenever you suspect the battery performance is not at it's optimum you should try using the following "Battery Conditioning" procedure.

Before you start: Turn off your battery saving features temporarily.

***IMPORTANT*** Repeat the following steps 2-3 times!

  1. Unplug the power cord from the computer
  2. Turn the computer on and let it run until it shuts itself off.
    Note: Using the CD-ROM to play an Audio CD will speed the discharge.
  3. Plug in the power cord (While the system is off) charge the battery until the battery light changes from flashing green to solid green
  4. Remove the battery for 30 seconds and then replace it.
    Note: If the battery light isn't lit, wait a few moments, if it still does not light check your power connections.
  5. Continue charging the battery until the battery light turns solid green once again.
    **REPEAT THIS PROCEDURE 3 TIMES**

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Nov 04, 2008 | Computers & Internet

1 Answer

Battery is dead


Identical problem - working only with power cord.
Wont power on battery or usb cable.

I actually opened player and check every single option.
(I am experienced electronic - tech.)
Result: battery is fully charged (768 mA/ 3.97V on bench)
Battery switch on bottom fully functional. (switching on/off 3.97V
comming from battery)
USB supply 5.0 V in perfect order.
Conclusion:
There is no "EASY" fix for this problem.
It is either problem with firmware (low possibility)
or semiconductor on logic board (practically not fixable on DIY basis)

I bought my Gigabeat 60Gb for $ 70.00 used on Ebay so
I will live with this problem.

Feb 04, 2008 | Toshiba gigabeat MES60VK Digital Media...

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