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I have a laptop aspire4920, how can i discharge the battery? tks!

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Using the battery to on the laptop . then automatically battery get discharge . When you use battery don't use the main power

Posted on Aug 06, 2008

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Posted on Jan 02, 2017

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HP4530s battery dischargs when turned off


Remove the battery when the laptop is OFF. I am not good at electronics, but I think this is normal and is NOT A PROBLEM.

Jan 20, 2013 | HP ProBook 4530s Notebook

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How To Extend Your Laptop's Battery Life


Hi... This is Vikas Sharma From M/s Computer Solutions, Patiala - Punjab, India

Im Going to give you one good advice that if you want to make your laptops battery life batter and want that your battery should run and give proper backup then use the battery as much as possible and when laptop shown the message that battry low or less than 5% then charge it back full. do it atleast once in a week.

Acctually the purpose is that when you charge and discharge the battery full all the cells used and charged and discharged. when you charge your battery when it is having i.e. 40% or 30% etc. charging to full and then you use the battery upto i.e. 40% and again you charge it then the remaining 40% cells are not charged and discharged then they become useless and again and again this process dead the cells that are not in charging and discharging position. This is the one big reason for battery problem.

so I suggest that charge and discharge the battery for better results.

Thanks Take Care

on Jun 28, 2010 | Computers & Internet

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How long will my battery last?


Your laptop batteries will deteriorate over time whether you use it or not. Although the Li-Ion industry does not publicize this fact, your laptop battery’s clock began ticking the moment it was assembled. The elements inside your laptop batteries slowly react with each other, eventually rendering the battery unable to supply the required power to your notebook. In addition, your laptop batteries are rated to last between 300 and 800 charge/recharge cycles. It will gradually lose charge capacity rather than abruptly fail to power your notebook.

The general consensus is that laptop batteries last one to three years. While you can slow the laptop battery’s aging and loss of capacity, you cannot stop either decline. The temperature of the battery, combined with the amount and nature of its usage contribute significantly to your battery’s lifespan. You can ease the aging process with some care and maintenance.

Temperature Lower temperatures slow down the self-discharge (loss of charge while disconnected) and aging process of the elements within your laptop batteries. Therefore it follows that higher temperatures shorten the life of your laptop batteries. Leaving your battery connected while on AC power causes the internal temperature of the battery to rise. Removing your laptop batteries and storing it in a cool, dry place will help to slow the aging process. Keeping your notebook in a hot environment is also detrimental to your battery.

Amount of Usage The Lithium-Ion batteries used in notebooks are rated to handle between 300 and 800 charge/discharge cycles. Some of these cycles are used when you leave your laptop batteries connected to your notebook while on AC power. On AC power, the notebook will routinely “top-off” the battery when its charge reaches predetermined levels (i.e. 95%). Removing your laptop batteries and storing it in a cool, dry place will help to preserve some of these cycles.

Nature of Usage Li-Ion batteries do not suffer from the memory-effect (requiring complete discharge before recharging to avoid loss of capacity) like older rechargeable batteries. Regular full discharge/recharge cycles result in an increased loss of capacity per cycle. A series of partial discharge cycles are better for Li-Ion batteries than a single full discharge. You should, however, calibrate your laptop batteries routinely. Tell No One You Can Save up to 35% 3323.jpg
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on Jun 01, 2010 | Computers & Internet

1 Answer

No battery detected


LOL, good ole Vista. I would never discharge my battery once I got it charged. I know the instructions say that, but I just never do it. Sounds like your battery is defective. Send it back.

Apr 08, 2012 | Computers & Internet

1 Answer

I have a dv6500 and it work only whit te battery. the ac adapter dont charg the battery and the pc dont work and the charger its ok. maybe a fuse?? tks rgds


If thelaptop battery is more than 3 - 4 years old then the battery could be worn out.Rechargeable batteries have a finite number of charge and discharge cycles andwill lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up at all. OR Thebattery shows a 100% charge but when the adapter is disconnected the batterydrops off to zero capacity in a very short time. If the battery drops to anunacceptable charge level then the battery needs to be replaced.

Aug 19, 2011 | HP Pavilion dv6000z Notebook

2 Answers

My acer aspire will not boot up. After starting the process it flashes a quick screen with an error for registry file failure and restarts boot process


As it starts up.. hold down F8. An option for a Safe Mode should be available. You should choose that and once you get through to Windows go to Start > Run and type in "chkdsk c: \r"

Jul 07, 2011 | Acer Aspire One PC Notebook

2 Answers

I need to r & r the multi function switch in my steering columm and not sure how to disable the air bag..tks. mike


disconnect the battery terminals and then repeatedly depress the brake pedal 30-40 times in order to drain any remaining power from circuits. once this is done you may proceed with airbag removal.

Mar 31, 2011 | Ford F-350 Cars & Trucks

1 Answer

How to manually discharge the battery as it won't charge


to manually discharge the battery, just consume the remanining battery power on your laptop. Once your battery is empty, press and hold the power button for 8 secs to discharge the battery fully. Wait for 2 hours then charge again your laptop....

Dec 14, 2010 | HP Compaq nx6125 Notebook

1 Answer

How to calibrate battery laptop toshiba satellite m45-s359


Calibrate laptop battery pack under the following conditions:
? When the battery status display seems inaccurate.
? When you observe a significant change in normal batteryrun time.
? When the battery pack has not been used for one monthor more.
How to Calibrate laptop battery
To Calibrate laptop battery pack, you must fully charge, fullydischarge, and then fully recharge the battery pack.

Discharging the Battery Pack Disabling Hibernation
To fully discharge the battery pack, disable Hibernation temporarily.
To disable Hibernation:
? Select the Power Meter icon on the taskbar or access Power Options > Hibernate, and clear the Enable Hibernate support check box.

    To fully discharge the battery pack:
  1. Select the Power Meter icon on the taskbar, or select Start > Control Panel > Performance and Maintenance > Power Options > Power Schemes.
  2. Write down the 3 settings in the Plugged In column and the
  3. settings in the Running on Batteries column, so you can reset them after calibration.
  4. Select the drop-down lists and set all 6 options in both columns to Never.
  5. Select the OK button.
  6. Disconnect the notebook from the external power source, but do not turn off the notebook.
  7. Run the notebook on battery power until the battery pack is fully discharged. The battery light begins to blink when the battery pack has discharged to a low-battery condition. When the battery pack is fully discharged, the power/Standby light turns off and the notebook shuts down.

Dec 13, 2010 | Toshiba Satellite M45-S359 Notebook

1 Answer

Battery Discharging when pugged off


Pls check with the local service center for battery or go for a new battery........................Sameeraryan

Jan 15, 2009 | HP Pavilion dv6000z 15.4" Notebook Laptop...

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