Understanding problems with a notebook battery

NOTE:As with all batteries, the maximum capacity of this battery will decrease with time or use. Loss of battery capacity will vary depending on the product configuration and usage, including but not limited to: product model, applications running, power management settings, and product features. The battery warranty does not cover natural deterioration of battery capacity. Your battery is only warranted from defects in materials or workmanship resulting in failure, to determine if your battery has had a warranted failure you may be required to run an HP diagnostic.Accu/Batterij HP Pavilion ZE2200

The notebook battery may have a defect if it will not power on the notebook and if it will not hold a charge. Accu/Batterij HP Pavilion dv4400The battery indicatorLED, located near the power icon , either does not glow or always blinks. Another indication of a battery problem is that the notebook operates correctly when thenotebook is connected to the AC adapter.
A battery that will not charge may be the result of an AC adapter failure, a system board failure, or a battery failure. Perform the steps below to diagnose the failure.
Troubleshoot the power supplyAccu/Batterij SONY VAIO VPCZ116GGB

To verify that the AC power supply is functioning properly, follow the steps below.Accu/Batterij SONY VAIO VPCZ117FC
Plug the AC adapter directly into a functioning wall outlet, and plug connector into the computer. Do not plug into a power strip, surge protector or secondary power source.
Verify the following operation and take the appropriate action:Accu/Batterij SONY VAIO VPCZ117GGX
Verify that all power cord connections are secure.Accu/Batterij SONY VAIO VPCZ118GC

If the AC adapter connection to the notebook is loose, the connector may be damaged and require repair. Contact HP service and support for further assistance.Accu/Batterij Toshiba Portege R400 Series Tablet PC
Verify that the power button or power LED is lit when the computer is on.Accu/Batterij Toshiba Qosmio F45 Series
Depending on the model, the battery indicator LED (also called the power LED) may be white, green, or amber when AC adapter is connected and is providing power to the notebook.
Verify that an LED on the AC power supply adapter is lit when plugged into an AC wall outlet.Accu/Batterij Toshiba Satellite A60 Series
Some AC power adapters do not have an LED. In this case, if you have another AC power supply try connecting it to the PC and to an AC wall outlet.Accu/Batterij Toshiba satellite c650-15z
Verify that the AC power supply adapter is the correct type.Accu/Batterij Acer Aspire 1820PTZ-734G32N
Older adapters were rated at 60 watts, but newer notebooks require AC adapters with 90 or 130 watts of power.Accu/Batterij Toshiba satellite c650-17n

The notebook was shipped with the correct AC adapter, however some people have multiple adapters and mistakenly connect the wrong power supply.Accu/Batterij Acer Aspire 1825PT
If you needed to purchase a replacement AC power supply, Accu/Batterij Acer Aspire 1825PT-734G32i be sure you use the notebook model number and check for the correct AC adapter part number at the HP Parts Store . Accu/Batterij BOSCH CAG180-01

You will also need to have the model number if you speak with HP Customer Service.Accu/Batterij Acer Aspire 1820TP
View the See Also section for information about locating HP Help & Support in your operating system.Accu/Batterij Acer Aspire 1825

Troubleshoot the System BoardAccu/Batterij Fujitsu FMV-6120NA
If you've verified that the AC power functions properly, troubleshoot the PC's system board by following the steps below.
Remove the battery, and keep the notebook connected to AC power.Accu/Batterij Fujitsu FMV-C8200
Press and release the Power button to start the computer.Accu/Batterij BOSCH BSH180
If the notebook PC powers on , then the AC adapter and system board are functioning properly. Go to Troubleshoot the battery .Accu/Batterij Fujitsu FMV-E8110
If the Power LED is off , then the AC power adapter may need to be replaced. Accu/Batterij BOSCH 37618 Contact HP Service and Support for further assistance.Accu/Batterij Fujitsu FMV-E8200
If the power LED is on , but the notebook PC does not power on, then the notebook PC needs to be repaired.Accu/Batterij BOSCH 37618-01 Contact HP Service and Support for further assistance.Accu/Batterij Fujitsu FMV-E8210
Shut down Windows by selecting Shut Down from the Start Menu.Accu/Batterij KOHJINSHA SA5SX04A

Troubleshoot the batteryAccu/Batterij BOSCH 36618-02
If you have verified the AC power supply and system board are functioning correctly, troubleshoot the battery by following the steps below.Accu/Batterij MAKITA 6221DWE
Insert the battery into the battery compartment on the bottom of the notebook PC.Accu/Batterij MAKITA 6400D
Connect the AC power supply and allow the battery to charge for 15 to 30 minutes.Accu/Batterij MAKITA 6400DW

NOTE:The power LED, located near the power icon (displayed as a lightening bolt on most PCs) , should glow while the battery is charging.Accu/Batterij MAKITA 6702D
Unplug the AC power adapter cord from the notebook PC.Accu/Batterij MAKITA 6702DW
Press and release the Power button to start the computer using only the battery as the power source.Accu/Batterij DEWALT DC380KB
If the PC does not power on, then the battery may need to be replaced. Accu/Batterij DEWALT DC385K Connect the AC power adaptor and run HP Battery Check to test the battery's health. The battery may be eligible for replacement. See HP Notebook PCs - Checking the Status of the Battery for additional information. After running HP Battery Check, contact HP service and support for further assistance.Accu/Batterij DEWALT DC380KA

If the notebook PC does power on, the battery is functioning, however you should run the HP Battery Check utility to evaluate the battery's health.Accu/Batterij DEWALT DC380N
If you have purchased a second battery for your notebook PC or you have access to an identical battery, you can also check the battery by inserting the second battery into the PC and performing the Troubleshoot the battery steps again.Accu/Batterij DEWALT DC385