How to Hack a Dead Laptop Battery

Step-by-Step Guide

1. 1

   Step 1: Disconnect the battery from your laptop.

   There should be 2 catches, slide them to unlocked and slide it out.
2. 2

   Step 2: Pry the battery apart.

   You may also need some patience and a sharp flathead screwdriver or a butter/putty knife. , This is the battery controller.
   
   Look near the connector to find the board, and trace the wires.
   
   Carefully examine every cells by a multimeter to ensure the cells are fully discharged. , This is important. , Then take them out of the case. , Remember to refer back to the note you made in Step
   4. , Solder/weld back the wires and cells. , Let it rest for about 48 hours. , Insert your battery and start charging.
   
   Turn it on, and you're back in business!
3. 3

   Step 3: You will see 6-8 cells connected to a circuit board.

4. 4

   Step 4: Make a note of where the wires connect to.

5. 5

   Step 5: Use a soldering iron/electric welding tool to separate cells from the wires.

6. 6

   Step 6: Then solder/weld the new cells together.

7. 7

   Step 7: Put the new cells into the case.

8. 8

   Step 8: In the end put both rows of cells back together.

9. 9

   Step 9: Your hack is complete!

Detailed Guide

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