How to do when your hp elitebook 820 g2-l6b51pa laptop battery won't charge

1, Please check the hardware at first:

  a, Clean the hp elitebook 820 g2-l6b51pa battery contacts. Try charging the laptop battery with the power off. Some laptops draw a lot of power -- so much so that they can't efficiently charge the battery and run demanding tasks at the same time. If the battery doesn't seem to be getting fully charged, shut down the laptop entirely and see how it goes.

  b, Try a deep charge. If the hp elitebook 820 g2-l6b51pa battery is in a bad state, you might be able to bring it back to life with a deep charge cycle. First, make sure it's complete discharged by running the laptop with the battery installed (and the AC adapter removed) until the laptop completely dies. Then charge the laptop overnight.

  c, If your original old battery still charges and discharges but your new replacement hp elitebook 820 g2-l6b51pa battery will not, the new battery may have run to 0% or it may be a defective unit. This may be an indication that you need to replace your AC Adapter. It is more difficult to charge a new battery than it is to charge an older "broken in" battery. If your AC adapter is not outputting the correct amount of power you can run your computer, and charge an old battery, but you may be unable to charge a brand new battery.

If neither battery will recharge, you are most likely experiencing a failure in the laptop charge system (AC adapter, charge port, or motherboard charge circuit).

2, Configuring and upgrading software:

  a, Make sure you're on the latest BIOS revision for your laptop. Windows system, you could also try a repair install and rule out a corrupt installation.

  b, Have a look at your power settings, open up your control panel, and head into the Power Options.
There are several settings in here, take a quick glance around to make sure that nothing looks out of place. The particular one to look out for is the setting that causes your laptop to shut down if your battery percentage drops to a certain low threshold.

  c, Update your drivers, open up the device manager, and under Batteries you'll find a number of entries.
There should usually be three, one for the battery itself, one for the charger and a third called 'Microsoft ACPI Compliant Control Method Battery'. Right click on all of these entries head into properties, then into the driver tab and find the 'Update Driver' button (This may also be found by just right clicking the entry and hitting 'Update driver software'). Once you've done this, restart your laptop and try plugging the charger in again.

If you try all of these troubleshooting steps and your battery is still not working properly, it's time to get a new battery.

Cheap elitebook 820 g2-l6b51pa 11.25V,6 cell laptop batteries

1. original battery for hp elitebook 820 g2-l6b51pa, 11.25 voltage, 4000 mAh, 6 cells, Li-Polymer laptop batteries

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	Product ID: 1003394 Battery Type: Li-Polymer Property: original battery [?] Voltage: 11.25 V Battery capacity: 4000 mAh (6 cell) Color: Black Related hp series: Elitebook Warranty: 9 months

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How long will my hp elitebook 820 g2-l6b51pa batteries last?

The lifespan of a elitebook 820 g2-l6b51pa laptop batteries will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors.

Does hp elitebook 820 g2-l6b51pa batteries self-discharge when not in use?

All batteries, include elitebook 820 g2-l6b51pa laptop batteries, regardless of their chemistry, self-discharge. The rate of self-discharge depends both on the type of laptop battery and the storage temperature the batteries are exposed to. However, for a good estimate, wet flooded deep cycle laptop batteries self-discharge approximately 4% per week at 80°F.

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