[Solution] Repair Dead Laptop Battery
- The Theory. A laptop battery typically consists of three battery pairs. Each pair is two battery cells soldered together in parallel. When ...
- The Battleplan.
- Tools.
- Remove the Battery.
- Remove Paper.
Full Answer
How do you revive a laptop battery?
laptop battery. Aug 06, 2020 · To revive a laptop battery that isn’t holding its charge, start by unplugging your laptop so it’s not charging. Then, leave it on until the battery is fully drained. Next, let your laptop sit, unplugged, for at least 3 hours to ensure it’s fully dead.
How often should a laptop battery be replaced?
Here at Tech Nav, we’ve seen, heard, and read from other trusted tech sites that laptop batteries should be changed every 2 years. However, others say that if your computer is more than six years old, it needs to be changed right now. The truth is, it depends on how the laptop is utilized in its daily life.
How do you fix a dead laptop battery?
- Seriously expensive
- Outer screen is of limited use
- The inner screen’s durability is concerning
- The software feels unpolished
How do I replace my laptop battery?
Way 1: Remove Battery from Laptop. Way 2: Visit the Official Website of Your Laptop. Way 3: Use Professional Tool. User Comments. If you find that there’s something wrong with your battery after performing a battery test, you need to take a battery exchange. Before starting the process, you should do some preparations.
Is it possible to repair laptop battery?
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.
How do you fix a dead laptop battery?
1:077:01How to Revive a Dead Laptop Battery 2020 - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd unclip the battery from there though your laptop may have a battery release button on the bottomMoreAnd unclip the battery from there though your laptop may have a battery release button on the bottom. Instead. You'll want to do this to add a buffer between your battery and the second bag you'll.
How do you fix a laptop battery built in?
0:1810:33How to Replace a Built-In/Non-Removable Battery in a ...YouTubeStart of suggested clipEnd of suggested clipWith a small little screw right this.MoreWith a small little screw right this.
Can you fix a laptop battery that won't hold a charge?
If the wires inside the laptop that lead from the power cord to the battery are damaged, the battery won't charge properly. Fixing broken charging circuitry requires professional repair from the manufacturer or a repair shop.
How do you make a dead battery work again?
Prepare a mixture of baking soda mixed in distilled water and by use of a funnel pour the solution into the cells of the battery. Once they are full, close the lids and shake the battery for a minute or two. The solution will cleanse the inside of the batteries. Once done empty the solution into another clean bucket.
How do you shock a battery back to life?
3:064:23How to get dead batteries working again: EASY HACK - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe'll just leave it in there for a few seconds. Make sure you're not doing this around any kind ofMoreWe'll just leave it in there for a few seconds. Make sure you're not doing this around any kind of gas vapors or anything like that because it does spark a bit.
Is it worth replacing laptop battery?
Is replacing the battery worth it? If your computer is under 2 years old and you're having battery issues, it's more than worth it to replace the battery, because it will be more cost-effective than replacing the laptop. If your computer has an external battery, replacing it is very simple.
Can I leave my laptop plugged in 24 7?
There's no danger of overcharging a battery if you leave it plugged in all the time, even 24/7. As soon as it hits 100 percent, it will cease charging and won't start again until the voltage falls below a certain level. Fully discharging a battery will damage it.
How much does a laptop battery cost?
A battery replacement may run from $20 to $50. It can cost as little as $50 to upgrade a laptop's RAM.
What causes laptop battery failure?
There are many reasons why a battery may fail to charge, including a faulty battery, inadequate power source, or damaged cord.
How do I fix my laptop plugged in but not charging?
Laptop Plugged In but Not Charging? 8 Tips to Solve Your IssueRemove the Battery and Connect to Power. ... Make Sure You're Using the Right Charger and Port. ... Review Your Cable and Ports for Damage. ... Reduce Resource Usage. ... Check Windows and Manfuacturer Power Options. ... Update or Reinstall Battery Drivers.
How many years do laptop batteries last?
2 to 4 yearsHow long does a laptop battery last? Laptop batteries usually only last from 2 to 4 years, which amounts to about 1,000 charges. However, there are a few factors that determine how long a battery will last before it finally gives out: The material that the laptop battery is made from.
What happens if a laptop battery dies?
A dead laptop battery can kill your work right where it stands, shutting off your computer before you have a chance to save. Laptop batteries degrade over time, and the battery life you enjoyed when you bought the laptop decreases as the laptop ages.
Why is my laptop plugged in and not charging?
Common culprits include a faulty motherboard, damaged charging circuits, and malfunctioning battery sensors. Your particular make and model of laptop will likely have its own unique issues, and a seasoned tech support operator will have seen all of them.
What are the signs of a dead laptop battery?
Signs of a worn-out battery include:Getting too hot when charging, especially along the bottom of the case where the battery is located.Losing charge quickly.Taking too long to charge.
Check the Battery Status
If the program to check your battery status is not already on your computer, you can download and install the appropriate program. After you run the program, the system will generate a report regarding the overall status of the battery. A single bad cell can shorten the total life of the laptop battery pack.
Drain and Remove the Laptop Battery
It is essential that you fully drain the battery before removing it from your computer. This ensures that all cells will have an equivalent charge when you install the new components. Use a screwdriver to remove the back of the battery pack.
Remove the Old Cells
Use a utility knife to cut open the plastic that encloses the power cells. Before removing the power cells from the battery tray and disconnecting the lead wires, verify whether the laptop battery needs to maintain a charge in order to retain any data in a memory, such as the resistor value or fuel gauge function.
Install the New Cells
Place the new power cells in the tray, connect the electrical contacts and cover them with the plastic. Batteries normally remain in the correct position, but you may need to bond them into place if the wires were damaged when the power cells were removed.
Install the Battery
Determine whether your battery has an on/off switch. A laptop battery that cannot be turned on when the circuit is connected to a ground may require a special code from the manufacturer. Verify that the polarization is correct and that you are using a compatible charger. Use a slow charge if the cells have a different state-of-charge.
How does a battery pack work?
Battery pack works by putting individual cells in parallel / series. Each cell has a nominal voltage / capacity and they are put together to give the whole battery pack it's global voltage / capacity. Here we have a 3s2p battery pack. This means that you have 3 serial attached blocks of 2 parallel cells.
How many parallel cells are in a 3S2P battery?
Here we have a 3s2p battery pack. This means that you have 3 serial attached blocks of 2 parallel cells.
Can lithium batteries explode?
Caution: Lithi um-ion batteries can catch fire or explode if they are damaged or short-circuited—especially when they are charged. Be extremely careful not to bend them or short-circuit them with your probes.
How to freeze a laptop battery?
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.
How to increase battery life on laptop?
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.
How to know if battery needs calibration?
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.
How to recalibrate a battery?
If you have to manually recalibrate a battery, the procedure is pretty straight-forward: 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 seems to be two views about how to do this.
Why is my battery on its last leg?
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.
Can you restore a lithium battery?
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.
Does a laptop battery get more life?
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.
How to remove battery from laptop?
In most cases, you'll remove the bottom of the laptop and unclip the battery from there, though your laptop may have a battery release button on the bottom instead.
How to revive a laptop battery that isn't charging?
Article Summary X. To revive a laptop battery that isn't holding its charge, start by unplugging your laptop so it's not charging. Then, leave it on until the battery is fully drained. Next, let your laptop sit, unplugged, for at least 3 hours to ensure it's fully dead.
How to store laptop batteries?
If you're going to be placing a laptop in storage, you can ensure that your battery retains most of its lifespan by storing it at full charge in a location that's between 68°F and 77°F (or 20°C to 25°C).
How to save battery life on laptop?
1. Avoid discharging your battery lower than 20%. Discharging your laptop's battery all the way can cause the battery's life to drop by 30% after between 300 and 500 discharges, while discharging to 50% requires well over 1000 discharges before the battery will lose a comparable amount of its lifespan.
How many times can you discharge a laptop battery?
Ideally, you'll only ever discharge your laptop's battery to around 20% . This will allow for over 2000 discharges before you hit the 70% battery life mark.
What to do if you don't have a lithium battery?
Your battery has to be either Nickel-Metal Hybrid (NiMH) or Nickel-Cadmium (NiCD) in order for this method to work. If you do this method with the wrong battery, the battery will likely be destroyed.
When to recalibrate laptop battery?
You'll want to recalibrate your laptop's battery if your computer's battery indicator is no longer displaying the correct amount of charge.
