How to test Your HP Laptop Battery

You can test your HP laptop battery If you suspect this is a problem. Laptop battery fails, a couple of years. They may fail earlier or last longer, depending on the quality of the battery and computational behavior. HP laptop batteries are no different. So how can you know if your laptop battery is dying? This is what you need to know in advance, so you can order a replacement. Fortunately, there are a few simple ways to test your HP laptop battery, and arrange for replacement, if necessary.
Use HP Battery Check to test your HP laptop battery
If you have a Windows 7 computer, it comes with a utility to help you test your HP laptop. HP has a built-in utility called Battery check your battery, to determine whether it is still able to hold a charge, and can perform well, run diagnostics. Test your HP 482962-001 laptop battery, plug in the adapter and make sure the computer charge as much as possible. If the battery is too weak, the test will not run properly. Once charged, proceed the following steps:
Go to "Start"> "HP Support Assistant.
Select the "Troubleshooting", then the power, thermal and mechanical.
Click Battery Check

The laptop battery above is indicated to be healthy and does not need to be replaced.
The laptop battery above has failed and needs to be replaced immediately.
If the battery for your laptop is bad, you will receive a warranty ID number. Use this number to see if your elitebook 8440p battery is still under factory warranty. If it is, submit the request for a replacement immediately.
If the battery is out of warranty, the screen will display that it is no longer covered.
Symptom Of A Dying Laptop Battery
One of the primary symptoms of a dying probook 4520s battery is a battery that loses its charge quickly. Under normal circumstances, your laptop battery charge should last several hours. If it dies within less than an hour after unplugging it with a full charge, then the battery’s cells are getting weak and the battery should be replaced.
Simple Guidelines when Repairing Battery Packs

Only connect cells that are matched and have the identical state-of-charge. Do not connect cells of different chemistry, age or capacity.

Never charge or discharge Li-ion hp hstnn-q78c batteries without a working protection circuit unattended. Each cell must be monitored individually.

Include a temperature sensor that disrupts the current on high heat.

Apply a slow charge only if the cells have different state-of-charge.

Pay special attention when using an unknown brand of cells. Some may not contain a high level of intrinsic safety features.

Li-ion is sensitive to reverse polarization. Observe correct polarity.

Do not charge a Li-ion battery that exhibits physical damage or has dwelled at a voltage of less than 1.5V/cell.

When repairing Li-ion, assure that each cell is connected to a protection circuit.