Replace Laptop Battery Cells:to remove it
Posted by Top-Battery
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23 Aug 2024 01:48:09 am.
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It’s time to replace the laptop’s battery at the very latest when it is completely discharged and recharging is no longer possible. Before it gets to that point, however, there are generally some signs that suggest it’s time for a replacement. The first sign is that the laptop can no longer be used for as long as before. If you have to plug it in ever more often for recharging, this is a sign that the battery’s performance is declining. However, usage time can also provide information about whether the battery will soon need to be replaced. If a laptop is used frequently, the battery may need to be replaced after just 18 to 24 months.
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Remove the Battery Pack and Open the Case
The First step is to identify whether your laptop has a removable battery or not. if it is removable, then turn your laptop upside down and remove the battery pack.once you have removed the battery pack, open the case of the battery. most of the cases are sealed using push fit plastic covers, which can be removed using a small screwdriver. be careful in this process, excess pressure can break the plastic casing, and it may become useless.If you decide to go for a replacement, it’s good to choose well-known brands.
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Identify Type of Battery in Your Laptop
once the case is opened, you will find the battery cells inside the battery pack. most common orientation is the 3S2P, which means 3 cells in series and 2 in parallel. When choosing the battery for your laptop, make sure the product of your choice is dedicated for your model. remove the old battery cells and check for information printed on the cells. there are various types of 18650 lithium ion cells, which have varying battery chemistries. for eg: INR, ICR, NCR.make sure you buy the same type of cells, most commonly found is the ICR type for laptop batteries.
With built in battery it’s a bit more complex. First prepare a safe and convenient space for this operation. Switch off your laptop and place it on a clean, flat surface. Turn it upside down and remove the back case (in some models it’s enough to remove the small rectangular fragment). To this end, remove a few screws. Then take out the old battery and replace it with a compatible new model.
Use a Spot Welder to Weld the Cells Together With Nickel Strips
place the cells in the same configuration as the battery cells. make sure the polarity is correct. check for + and - marks on each side of the cells. now use a spot welder to weld the cells together using nickel strips. cut the nickel strips to the desired length. place the cells upright and place the nickel strip on top of the cells. now gently press the nickel strip using the spot welder probes to make a contact. repeat the process 3-4 times on each cell to ensure better bonding.
Solder the Cells to the Circuit Inside the Battery
once the cells are welded, solder the battery PCB to the new battery pack. make sure you solder each wire connecting in series, and with proper polarity.
Insert the Battery in the Casing and Close the Battery Pack
now the battery pack is ready to be placed into the casing, place the battery cells and the PCB in the casing, and place the plastic lid on top. press the lid on the edges until the plastic push fitting lock into each other completely.
Insert the Battery Pack Back in the Laptop
now your battery pack is good as new and is ready to be placed back into your laptop. insert the pack back into your laptop
Battery is one of the key components that affect the functionality of portable computers. Make the most of your laptop and enjoy long battery life and extended runtime on a single charge. Replace the battery as soon as you observe it runs out.
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