How To Fix a Dead Laptop Battery In 2022

The shelf life of laptop batteries is exceptionally infamous. Despite recent advances in lithium-ion technology, most batteries can withstand a certain number of charge cycles before their capacity deteriorates rapidly.

Of course, there are some steps you can take to deal with this problem, but none of them will help if your battery is already dead.

So, is it possible to start jumping a dead laptop battery? Yes. Then How To Fix a Dead Laptop Battery? We consider six different methods and give each one a score of 10 for ease and effectiveness.

Method 1: Reviving a NiMH or NiCD Battery in the Freezer

#1 Make sure you do not have a lithium-ion battery. Your battery must have Nickel Metal Hybrid (NiMH) or Nickel-Cadmium (NiCD) to work this way. If you use this method with the wrong battery, the battery will probably run out.

  • All Macbook laptops have lithium batteries, and plenty of modern Windows computer systems use lithium batteries.
  • You should not perform this operation on a laptop with a non-removable battery pack. Doing so will require you to remove the battery (which may void your computer’s warranty) or freeze your complete pc (which Will break your pc).

#2 Turn off & unplug your laptop. Your laptop computer has to be utterly turned off, and unplugged earlier than trying to take away the battery, as failure to do so may result in an electric shock.

#3 Remove the battery. In most cases, you will remove the laptop’s bottom and unplug the battery, although you may have a battery release button underneath your notebook instead.

#4 Keep the battery in a soft cloth bag. You want to add a buffer between your battery and other packs that you will use.

#5 Keep the battery in the bag in the zipper bag. This will ensure that the battery does not get wet during freezing.

Avoid using regular plastic bags for this, as the battery can accumulate moisture in such bags.

#6 Leave the battery within the freezer for 10 hours. Doing so will give the battery sufficient time to recuperate not less than a part of its life.

You can leave the battery in it for a maximum of 12 hours, but leaving it too long can cause the battery to leak.

#7 Recharge the battery. Once your battery has spent sufficient time within the freezer, you can take it away, dry it if wanted, enable it to return to room temperature, after which plug it into your laptop computer. ۔ You ought to have the ability to cost the battery from there.

Method 2: How To Fix a Dead Laptop Battery Using Cooling pad

One of the causes of a dead laptop battery is heat. When you keep your laptop in a warm room or do some intense work with the laptop, more heat can be generated inside it. Because laptop batteries are one of the hottest devices, the heat generated can directly affect life and battery performance.

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So, in this case, use a cooling pad to chill the floor of the laptop computer. And additionally, ensure that the air vents that launch warmth should not be obstructed. This way, you make sure you don’t damage the battery anymore.

Method 3: How To Fix a Dead Laptop Battery Using Recalibrate The Battery

Laptop Battery Calibration is required if your laptop is always plugged in or never lets it die. But when your laptop’s battery needs calibration, the best way to find out is when your laptop shows that it is fully charged but in 30 minutes or less. Dies. Therefore, many manufacturers have developed automated retrieval tools.

Otherwise, you can do it manually.

Step 1. Please charge the battery fully, or it can be charged and disconnected.

Step 2. Continue until the laptop dies automatically. Set aside for about 3-5 hours.

Step 3. Recharge it up to 100%. It should be.

Method 4: How To Fix a Dead Laptop Battery Using Over Voltage

This is an approach to leap on lithium batteries. Remember that lithium batteries will die if left unused for prolonged durations. It would help if you tried to replace any lithium-powered device at least every two days to maintain battery health.

(Warning: This method works, but it is dangerous. If you charge for a long time, the battery may explode. Wear goggles and perform this operation in a cluttered area.)

Before you start, you may want three objects: a crocodile clip, a skinny wire, and a laptop computer charger or energy provide unit. Wiring in an Ethernet cable will suffice if you have older man mendacity around you, prepared to chop.

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First, you need to find the positive and negative pinouts in your battery. In theory, they should have clear labels. If they don’t, do a Google search for your battery model.

Next, reduce two items of wire. Each of them ought to measure about 2.75 inches. Will play the function of a constructive wire. The second is adverse. On the constructive wire, take away about 0.4 inches of protecting coating from every finish. On the damaging wire, take out about 0.4 inches at one finish and 0.8 inches under the opposite finish.

When you are prepared, insert one finish of the constructive wire into the battery’s constructive pinout and insert the 0.4-inch finish of the adverse wire into the adverse pinout.

Slot, the opposite finish of the constructive wire, contained in the constructive pin of the charger. Finally, connect the 0.8-inch end of the negative wire to the negative external conductor using a crocodile clip.

Now you need to drain your battery for two hours. When disconnected from your setup, be very careful — where there is a risk of an explosion.

Re-insert the battery into the laptop to check if Jumpstart was successful.

Result: Just as reliable as the 6/10 freezing method, and it works with new lithium batteries. However, we knocked on some points for the risk factor.

Method 5: Caring for Used Batteries

#1 Avoid discharging your battery to less than 20%. Removing your laptop battery in any way can reduce battery life by up to 30% after 300 to 500 discharges while discharging up to 50% would require more than 1000 discharges before the battery loses a comparable amount of its age.

  • Ideally, you’ll ever drain your laptop’s battery by about 20%. More than 2000 discharges will be discharged before you apply the 70 battery life mark.
  • To hold your battery in good working order, drain about 20% of the battery once a month. This mixes the chemicals inside the battery, so it will last much longer if you unplug your laptop all the time.

#2 Make sure your computer is not overheated. Both heats can prevent your battery from running efficiently and damage the battery itself. If you’re running your laptop in a hot environment, make sure the laptop’s vents are uninterrupted.

  • You also want to keep the laptop on a flat, cool surface, such as a desk. In response, using your laptop on your lap can prevent proper circulation, and your body temperature can also increase the overall temperature of the laptop.

#3 Store batteries in unacceptable conditions. If you are going to put a laptop in storage, you can be sure that your battery will get the most out of its space at some point between 68 four at F and 77 ° F (or between 20 C to 25 I can store.

  • Batteries will be saved on this situation for a lot of months earlier than they should be charged.
  • Never place lithium batteries on anything other than 100 charges.

#4 Consider eradicating the battery when gaming or modifying. If your laptop computer has a detachable battery, disconnecting it and holding the pc plugged into your charger can cause the battery to overheat when performing system-related actions such as gaming or video editing. It can help prevent damage.

  • Heat can shorten battery life, so this is an excellent idea if you frequently use your laptop for high power activities.

Method 6: Removing the Battery 

Reversible chemical reactions inside the battery can recharge the laptop battery. External factors such as heat can interfere with chemical reactions. So by removing the battery, you can make a battery cool down while the chemical reaction can continue whether it is plugged into the laptop or not.

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Many laptops can work fine without power, but some will not. And make sure there is no sudden power outage while performing this procedure as it will damage the data.

To perform this method,

  1. Turn on your laptop.
  2. Connect the AC adapter.
  3. Please remove the battery when it is plugged in.

FAQs (How To Fix a Dead Laptop Battery)

Can I use my laptop with a dead battery?

As long as you can, you can usually use a laptop if the battery runs out. Sometimes a faulty battery can be a nuisance, so you should take it out and use the laptop against the wall.

Can you revive a dead lithium ion battery?

A deep-discharge cell has fallen below 2.5V, and most lithium-ion battery chargers cannot revive cells that have been deeply discharged. Once a battery reaches below 2.5V, a low voltage cut-off limit goes into sleep mode, where the protection circuit shuts off.

How do you revive a dead lithium laptop battery?

Seal the Li-ion battery in an airtight bag and keep it in the freezer for about 24 hours, making sure no moisture in the pocket could wet the battery. When you take it out of the freezer, let it melt for eight hours to restore to room temperature.


How To Fix a Dead Laptop Battery? This way, you can fix your laptop battery for free in just half an hour! You may want to consider replacing the cells, even if it means death.

The path indicates a bad cell. There are so many types; it’s hard to say. But for now, enjoy that you are tremendous and fix it yourself (and save some $ 50)! And who knows, maybe it will always work?

If you have questions or comments, leave a comment!

Thanks for reading!