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STEP BY STEP HOW TO FIX LAPTOP BATTERY – weak & DEAD CELLS

In this post, i will show you in details how to fix laptop battery at no cost in your home and without the services of a technician. A laptop battery is made up of lithium cell which are called 18650 cells. It has about 2 years life span.

WHEN TO REPAIR LAPTOP BATTERY?

when you notice that your laptop computer do not last even half an hour or less after charging. which simply means the cells inside the battery are weak. Below are required materials to fix dead laptop battery.

Step 1: Materials

Materials needed to fix laptop battery

  1. Get dead laptop batteries from laptop repair shop
  2. your laptop battery (which you want to repair)
  3. some wire & tools like wire cutter
  4. And also some electric tape

Step 2: OPEN THE OLD DEAD BATTERY

Open the dead battery

Carefully open the laptop battery to avoid damage as the battery box will be used later.

Step 3: BRING OUT THE 6 CELLS OUT FROM OLD DEAD BATTERY

bring out cells from old dead battery

Take out the 6 cells in 2-2 parallel connection.

(don’t break the parallel connection but cut the series connection)

Step 4: USE A MULTIMETER & CHECK THE VOLTAGE

USE A MULTIMETER & CHECK THE VOLTAGE

Follow this step carefully !

Batteries with 3.6 or above volt are good , and the ones having below this voltage are the bad ones and should be discarded. Read more >>> How To Fix Laptop Keyboard Not Working Properly – Do it at home

voltage test is just immediate solution for the capacity check of 18650 cells

If available, use imax b6 charger for capacity test.

To sum up, provide 6 GOOD (18650) LITHIUM CELLS OR BUY THEM FROM AMAZON OR EBAY

Step 5: NOW CONNECT CELLS IN SERIES CONNECTION

CONNECT CELLS IN SERIES CONNECTION

With the use of some wire connect all cell in series connection. Now check the total voltage of battery pack. it should be around 12 volts or more.

Step 6: TIME TO OPEN YOUR ORIGINAL LAPTOP BATTERY

OPEN YOUR ORIGINAL LAPTOP BATTERY

Gently open your original laptop battery and discarded as the cells are obsolete & keep the circuit

(Although you can check the capacity and see if some cells are good then store them for future projects)

IMPORTANT: Open the laptop battery with care to avoid damaging the circuit or battery box.

Step 7: CONNECT THE CIRCUIT TO THE BATTERY PACK

CONNECT THE CIRCUIT TO THE BATTERY PACK

With the use of some wires connect the battery pack to the circuit

IMPORTANT: you will see 4 wires passing out from the circuit in which the longest is negative. You will also see wires 1 is negative and 3 are positive in the battery pack (one to the end and two between the battery pack)

Step 8: CHECK BEFORE PACKING BATTERY

CHECK BEFORE PACKING BATTERY

Join the battery circuit to the laptop. Also, try booting the system to see if it’s working or not.

IMPORTANT: if after pressing the power button and it fails to boot. Don’t panic just connect the charger to the laptop for 5 minutes then remove the charger.

(if its still not working, use the comment box to let me know)

Step 9: SUCCESS! JUST PUT BATTERY AND CIRCUIT INSIDE THE BATTERY BOX

PUT BATTERY AND CIRCUIT INSIDE THE BATTERY BOX

In conclusion, put back battery pack and circuit in the battery box. And carefully use some super glue or tape to fix the joint of battery box. That’s how to fix laptop battery at home without spending a dime. Feel free to share your views using the comment box.

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