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HP Recommended
HP Pavilion Laptop PC 15-eg0000 (28Z28AV)
Microsoft Windows 11

How do I know when a replacement battery is needed

1 REPLY 1
HP Recommended

@pxfast,

 

Welcome to our HP Community forum!

 

You can determine if your HP Pavilion Laptop PC 15-eg0000 (28Z28AV) running Microsoft Windows 11 needs a replacement battery by checking both visual performance cues and using built-in software diagnostics.
 
Here are the primary ways to check your battery health:
 
1. Watch for Performance Warning Signs:
 
Your laptop will usually show physical or behavioral signs when the battery is nearing the end of its lifespan:
 
  • Rapid draining: The battery drops percentage quickly, even during light tasks like web browsing.
  • Overheating: The laptop gets unusually hot while charging or discharging.
  • Sudden shutdowns: The laptop shuts down without warning while unplugged, even if it showed a charge remaining.
  • Only working on AC power: The laptop turns off the moment you unplug the power adapter.
  • Physical swelling: The trackpad or keyboard area looks raised, warped, or bulging. If this occurs, stop using the laptop immediately and remove the battery to prevent damage to your laptop or even a fire hazard.
 
2. Generate a Windows 11 Battery Report:
 
You can generate a precise health report native to Windows 11 using the command line:
 
  1. Right-click the Start button and select Terminal (Admin) or Command Prompt (Admin).
  2. Click Yes if a pop-up asks for permission.
  3. Type: powercfg /batteryreport and press Enter.
  4. Windows will generate an HTML file and display the path (usually C:\Users\YourUsername\battery-report.html).
  5. Open File Explorer, find that file, and double-click to open it in a web browser.
 
How to read the report: Scroll to the Installed batteries section and find Design Capacity and Full Charge Capacity. If your Full Charge Capacity is less than 70% to 80% of the Design Capacity, the battery has significantly degraded and is ready to be replaced.
 
3. Use HP Diagnostics:
 
HP includes specific built-in tools designed to read the battery's internal hardware status:
 
  • HP Support Assistant: Search for HP Support Assistant in your Windows taskbar. Go to Fixes & Diagnostics to run the battery check. It will give you a clear status, such as "Normal", "Calibrate", or "Replace".
  • HP Startup Diagnostics: Turn off your laptop completely. Turn it back on and immediately tap the Esc key repeatedly until a menu appears. Press F2 to open system diagnostics, select Component Tests, and run the Power/Battery test.
 
To help narrow down your next steps, could you tell me:
 
  • Are you currently experiencing specific performance issues (such as fast draining or sudden shutdowns)?
  • Do you need assistance finding the exact replacement battery part number, where to purchase a replacement battery or a guide on how to replace it?

 

Kind Regards,

 

NonSequitur777


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