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Troubleshooting the Power Supply
The power supply converts the alternating current (AC) line from wall switch to the direct current (DC) needed by the Laptop. But when you are mobile, batteries will power the Laptop. In this tutorial we'll learn about the common problems faced by Laptop batteries, how you can rectify them, identifying a dead battery and choosing the ideal battery available in the market.

  Tutorials
  Common Battery Problems that Cause Power Disruption
  When to Replace Your Laptop Battery
  How to Replace An Old Battery With a New One
  How To Identify a Weak and/or Dead Battery
  Common Mistakes In Choosing The Right Battery For Your Laptop
  Compare Li-Ion and Ni-MH Batteries
  Can I Have More Than One Battery Backup For My Laptop?