my laptop's battery suddenly drops from 15% to 0% everytime and shuts down immediately

[amkunalgarg]

i have been using this laptop for about one and a half year, i never faced this type of issue before. My laptop's battery suddenly drops from 15% to 0% and also shuts down immediately. Then it does not start untill i plug-in the laptop for about 3 minutes........I am very worried what happened to my laptop please help!

[Dragon-Fur]

@amkunalgarg 

You might just need to replace the battery.

Open

Maintenance and Service Guide

Part and Replacement procedure - Page 45

Table 6-1 Battery description and part number

Description                                                                                                 Spare part number

4 cell 70 Whr 4.55 Ahr LI SR04070XL-PL                                          917724-855

3 cell 52 Whr 4.55 Ahr LI SR03052XL-PL                                            L08855-855

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Run Component Tests – How to

TKB Article contributed by HP Wes_notebooks 

Clear and easy to understand "how-to" instructions for completing component testing

Test both battery and charger...

Testing for Hardware Failures

TKB Article contributed by HP Expert Erico

What is going on with the battery installed in my computer?

Battery Report and other solutions

Is your notebook plugged in and not charging?

And

Video Help

How To Generate A Detailed Laptop Battery Report

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Replacement and Purchase Options

HP Document:  HP Notebook PCs - Purchasing a Replacement Battery

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HP Collection of “how-to” videos – Battery

Internal Batteries…

HP Support Channel - Collection of “how-to” videos

HP Video Gallery - YouTube

• Use Categories to narrow the results. 
• Select your Video

Example – Category 

HP PC Service Videos | Remove and Replace Parts

Cntrl-F   Search the page for Replace the Battery or Battery

Find a similar model type to your system > Select and watch your Video

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Find / Check for parts at PartSurfer / HP Parts Store

Reference:  HP Notebook PCs - Ordering HP Certified Replacement Parts

PartSurfer might be able to tell you exactly which parts came with your device.

Open PartSurfer

• Select your Country
• Enter the device Product Number , Serial Number, or Part Number in the Quick Search box
• HINT: To see a system-specific list, replace the Product Number with your device Serial Number
• Items accompanied by a tiny box in the Add-to-Cart column are available for purchase

Parts marked as "n/a" are not available from HP.

Parts marked as available for purchase might be available from:  HP Parts Store

OR

If HP does not provide the part for retail purchase,

Use your search engine to find a compatible replacement at your favorite online store.

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When the website support page opens, Select (as available) a Category > Topic > Subtopic

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