Thinking about your Laptop Battery Replacement ? Battery death can seem sudden, but it doesn’t have to. Windows will warn you when your battery reaches extremely low capacity levels. Since Techyuga is Kolkata’s Best Laptop repair Center and hence the best place for laptop battery replacement in Kolkata,So we are here to help you, Here is everything you need to know about your for Laptop Screen Replacement :
Generate laptop battery report
To generate a battery report, open up a command prompt by pressing Windows+X and select ‘command prompt’.
At the command prompt, type: powercfg /batteryreport
(Where MYFOLDER is the full path name to the folder where you would like to save the report.)
Now press Enter. This will create an HTML file called mybatteryreport.html, which you can read in your favorite browser. Note, this only works on devices fitted with a battery.
What causes your battery to drain?
The Memory Effect
The “memory effect” is a phrase used to describe something that happens to all rechargeable batteries over time, although some more than others. Essentially, when a battery is not completely drained before it receives another full charge, the battery can be “tricked” into thinking it has a shorter battery life than it does. This shortens the overall time that a laptop can run on one battery charge. A battery can be fully charged and fully drained in four to five cycles to help reset a battery and remove some of this memory effect. If cycling through full to empty on a battery doesn’t remove the memory effect, it is likely time to purchase a new battery.
A little bit of heat produced by a laptop battery is completely normal, and laptop batteries are often warm to the touch while in use. However, sometimes batteries can get very hot and become uncomfortably hot to touch. Some batteries have been known to even overheat, causing the computer to shut off, or in the worst case scenario, catch fire. There are no home solutions to overheating batteries, and usually a new battery is required.
Sudden Shut Down
If a computer is suddenly shutting down, this can be quite annoying, as well as difficult to diagnose, because it can be caused by different things. If a laptop shuts down frequently, the user should look to see if the battery meter says it is holding a charge and whether the battery is inserted properly. If the issue persists, contacting the manufacturer is the next step. If properly charging and fully draining a battery, and checking that it is inserted properly does not fix the issue, a new battery is like necessary.
Manufacturers claim a certain lifespan for each battery cycle, but sometimes laptops will tell you they have a certain amount of time remaining on a charge, but the computer will die much faster than the stated time left. This can be from the processes a particular user is putting their laptop through. Higher resources are needed to run many programs or high-intensity programs. If, however, under normal circumstances and after charging the battery properly, a battery drains extremely fast, the user should contact the manufacturer, or consider purchasing a new battery.
Slow or No Charge
If the battery is not charging when it is plugged in, be sure the battery is installed properly. Check that the outlet the laptop is plugged into is completely functional. If the battery will still not charge, it may be a case of a dead battery. After many charges, batteries can begin to charge very slowly, or sometimes charge at all. This is where a replacement battery is necessary.
Keyboard keys that no longer work.
This is fairly normal wear and tear, but even a single non-working key can interfere with your work. And if one key goes, it’s only a matter of time before others follow. It may not be long before you’ve got a laptop that doesn’t type. Try getting your work done on that.
Frozen pixels or weird lines on the screen.
It depends on the number of pixels and size of the lines, but it’s probably interfering with your work and could be a sign of imminent screen failure.
A clicking noise and very slow drive access.
This is serious. The “click of death” means your hard drive is nearing failure.
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Laptop battery Replacement
How to find the laptop battery specifications
There are different types and sizes of laptop batteries. To determine what laptop battery you have, remove the battery from the laptop and look at the top or bottom of the battery.
As you can see in the picture, this Dell battery shows that it is an Li-ion battery, has a model number of Li-ion II, rating of 10.8V, 4050mAH, part number (labeled as “P/N”), and a charging current of 2.5A.
Common laptop batteries are Li-ion, NiMH, and Ni-Cad, with nearly all laptops today using Li-ion batteries.
How to remove old battery :
1. Turn off your laptop and disconnect the AC adapter.
2.Release the latch or other attachment devices that hold your battery in place.
3.Slide the old battery out of its compartment or storage bay.
4.Take the replacement battery out of the box.
5.Slide it into the notch or bay.
6.Close the safety latch to lock it into place.
7.Reconnect the AC adapter and give the battery a full charge.
How to Restore a Dead or Dying Laptop Battery :
Method 1 –
The Freezing Method
You can freeze a laptop battery and get more juice out of it. Here’s the procedure very succinctly:
Step 1: Take your battery out and place it in a sealed Ziploc or plastic bag.
Step 2: Go ahead and put the bag into your freezer and leave it there for about 12 hours. Some people suggest leaving it for longer, but I wouldn’t leave it for more than 24 hours.
Step 3: Once you take it out, remove the plastic bag and let the battery warm up until it reaches room temperature. Be sure to wrap it in a towel and wipe away any condensation as it warms up.
Step 4: Reinsert the laptop battery and charge it completely.
Step 5: Once charged, unplug the power and let the battery drain all the way down.
Now repeat steps 4 and 5 at least 4 times: charge all the way to full, then discharge completely. That should be it! Unless your battery is leaking acid, you should get some kind of bump in the battery life.
Note that you should only perform this on NiCD or NiMH batteries. If you try this on a lithium battery, it’ll make the battery life worse. Unfortunately, there is no way to restore a lithium battery. You’ll have to find your laptop specs to see what kind of battery you have. For lithium ion batteries, you can’t restore, but you can possibly extend the life of a battery. Read method 2.
Method 2 – Cool Your Computer
If you have a lithium ion based battery, you can increase it’s life by making sure your laptop is cool. If you have a laptop that gets really hot, it can damage the battery and cause the shortness in battery life.
You may think your battery is on it’s last leg, but it could simply be that it’s getting too warm and therefore loses charge faster.
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Method 3 – Recalibrate Your Battery
With most newer batteries, this is no longer necessary, but if your battery is dying, then it’s probably a pretty old battery. In that case, you may benefit from a recalibration. Recalibrating a battery is done because sometimes the operating system cannot figure out how much capacity is left in the battery. This can happen if the laptop is always plugged in or if the battery was never let to die all the way.
You can tell whether your battery needs calibration if your battery never charges to 100% (say only to 95%) or if the OS says you have 35 min of battery remaining, but the computer dies either much sooner or much later. A lot of manufacturers have released calibration tools for specific laptop models, so first perform a Google search with your computer model + battery calibration. Here’s an example tool from Sony.
If you have to manually recalibrate a battery, the procedure is pretty straightforward:
Step 1: Charge your battery to 100% or to whatever max percentage it can reach and leave it there for about 2 hours to cool down.
Step 2: Now disconnect the power and let the battery drain. There seem to be two views about how to do this. You can either let the battery run down all the way until the laptop dies or you can set it so that it goes to sleep or hibernates around 3 to 5%. Either way, you want to make sure the display stays on until it either dies or goes to sleep.
Step 3: Let the computer remain turned off for anywhere between 3 to 5 hours.
Step 4: Turn it back on and let it charge all the way to 100%.
That’s pretty much it. Now the computer should be giving you a more accurate reading of the actual capacity of the battery.
Method 4 – Remove Battery When Plugged In
If you have a laptop with a removable battery, you can try to remove the battery during the times you have it plugged into the wall. You may have to test this because some laptops don’t work properly with the battery removed. However, if the laptop is running fine and it’s connected to a power source all the time, it may help to simply remove the battery.
The chemical reactions will continue to occur in the battery regardless of whether or not it’s in the laptop, but it could increase the life of the battery. Since the battery is cool and not hot when plugged in, you’ll get more life out of your battery.
Of course, you’ll need to make sure you’re not living in an area where the power goes out because your computer will die immediately and you’ll lose any data. This method is also time-consuming and annoying and something most people won’t do. The last method below may be the best.
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