How To Jumpstart A Dead Lithium-ion Battery: Methods For Different Devices

How To Jumpstart A Dead Lithium-ion Battery: Methods For Different Devices

It is feasible to jumpstart, but you will need another battery that has been fully charged so you can employ it to jumpstart the dead battery. Put the batteries next to one another. After that, connect the two batteries by taking two short wires with insulation and connecting them to suit the polarity of the two batteries.

The batteries feature two polarities, one ranging from positive to positive and the other from negative to negative. This method can move power from the active battery to the inactive one.

The next thing to do is to wait for approximately five minutes; after that, you’ll need to detach the connections and put the dead battery in the battery charger included with the device. If the battery gets more charged after being jump started, then the operation is good.

Maintain the battery plugged into the charger for at least an hour or until it has reached its full potential. If the battery cannot be fully charged, you might try jump starting it again; however, if it does not get jump started, it most likely requires maintenance and must be changed.

How To Jumpstart A Dead Lithium-ion Laptop Battery

How To Jumpstart A Dead Lithium-ion Battery

Change The Battery Cells

  • Requires switching out any or all of the battery’s cells for functioning ones from an active but unused battery.
  • The new cells must be identical to the old cells’ physical size, chemical makeup, voltage rating, capacity, and size.
  • Need a soldering tool and soldering skills.
  • Take out the battery by disassembling the laptop.
  • Use your soldering tool to separate the cells from their wires and one another.
  • Putting the wires in the right places, solder the new cells together.
  • Reassemble the battery’s housing and leave it aside for 48 hours to verify that the soldering has hardened.

Freeze The Battery

  • NiMH or NiCd batteries are the only suitable ones.
  • Lithium batteries shouldn’t be used.
  • The electrolyte of the battery gels limits the flow of free electrons.
  • Remove the battery, disconnect the computer from the wall outlet, and switch it off.
  • Put the batteries first in a cloth bag, then a sealable Ziploc bag.
  • Take 10 hours to freeze the Ziploc bag.
  • When putting the battery in the computer, allow it to reach room temperature.


  • Lithium battery jumpstarting is successful.
  • Hazardous and capable of setting off a battery explosion.
  • Use safety glasses to execute the procedure in a sizable, clutter-free space.
  • Require a laptop charger, power supply, crocodile clip, and thin wire.
  • Find the battery’s positive and negative pinouts.
  • Cut two wire parts that are 2.75 inches long each.
  • Connect the cables to the positive and negative pinouts.
  • Use special care when detaching the setup after two hours with the battery.
  • Put the battery in the laptop to verify if the jump start helped.

How To Jumpstart A Dead Lithium-ion Car Battery

The easiest way to revive a dead battery is with a jumpstart. 

  • When starting another car, its engine must be functioning. 
  • Connect the two batteries in series, and switch on the car’s ignition with the dead batteries. 
  • When trying to ignite or revive a frozen dead battery, let it thaw.

Here is another way to use it if your battery is a typical lead-acid battery.

  • Put hot water into the battery cell and 1 part magnesium sulfate until the plates cover 1/4 to 1/2″ of the electrolyte. 
  • Magnesium sulfate could alter the chemical makeup and help revive the battery.

How To Jumpstart A Dead Motorcycle Lithium-ion Battery?

How To Jumpstart A Dead Lithium-ion Battery

Many people drive about with jumper wires, letting you use the battery in their car to start your bike. Get an excellent Friend to open the hood and connect the cords. Connect first to both vehicles’ positive red terminals. 

Next, clamp to the opposing end of the active battery, and fasten the second black clamp to an area of the bike’s chassis that isn’t painted. The thought behind this is that because the final clamp you connect will spark, you want it to go so far from the battery, which may or may not be creating hydrogen gas since its bad state. Also, hydrogen is explosive. 

Modern sealed AGM batteries rarely pose issues, yet you can quickly reduce the chance to almost zero by fastening somewhere solid. Since the battery in a car offers far more power than the battery in your bike, we suggest avoiding jumpstarting a vehicle while it is operating. 

If the car moves, there’s a chance you’ll overload the battery in your bike or damage its electrical parts. It would be nice if you hit the starter button, and then your bike would start, but since this is likely to occur, it is best to stay safe than sorry.

 So having the cables attached, turn the key on your bike, push the starter, and ideally, it starts. Unplug the wires with the negatives on both ends while the bike moves to ensure the battery can recharge.

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How To Fix A Lithium-Ion Battery That Won’t Charge

It can become irritating and futile to experience a battery that won’t charge. You needn’t fret since there are ways to resolve this problem. The battery can be recharged once more. 

The lithium battery’s charging issue can be fixed by switching on the battery. If the lithium battery hasn’t been charged in a while and the problem is due to over-discharge, you can start by carefully charging it using a small low-voltage charger. 

You can initially inspect the charger if a lithium-ion battery doesn’t charge. First, you must ensure that it is functioning as it should. Cleaning the battery contacts is the following step. A cotton swab and alcohol can complete this. 

If you attempt this and the battery still won’t charge, you might have to replace it. In the case of EVs, the battery must be appropriately recharged first. This can be accomplished by emptying your battery or using a charger. 

Try jumpstarting the battery once it has been wholly charged yet fails to retain a charge. This can be achieved by starting the car while the dead battery is connected to a charged one. If the battery still doesn’t hold a charge following this, you could have to fix it. 

You can achieve this by having a specialist check it while conducting specific tests. This could reveal the exact problem. When a battery can no longer be fixed, you can decide to replace it by buying a new battery and properly setting it up.

How To Shock A Battery Back To Life?

The initial and most significant choice is using a Li-Ion charger with an analyzer or revives option. Unlike standard chargers, this kind of charger initially uses a low charging voltage to aid the cell in regaining the minimal voltage needed for the battery safety circuit to switch on. 

After reaching this stage, the charger will then carry on in its standard charging process. Another method is using a battery that’s “dead” to power a battery that is “alive.” Using a USB cable with the small end cut off is another option. 

You can perform this yourself with a USB cable or purchase a ready-made version of the cord in an IT shop. It aims to touch the red wire to the battery’s positive terminal and the black wire to the negative terminal. 

The male USB on the other end is the one you’ll connect to your computer. The dead battery can be recharged since the USB port can handle 5V power. Leave the battery plugged in for around 1 minute, and then use a multimeter to verify the voltage.

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How To Recharge A Fully Discharged Lithium-ion Battery

  • Initially remove the battery from the device, and then switch off the power supply connected to the device.
  • Get a measurement on your voltmeter of the current-voltage.
  • If you charge a lithium-ion battery until it reaches a certain level, it can go into a sleep state.
  • Many battery chargers and analyzers are provided with an option named “wake up,” “recovery,” or “boost,” which is intended to awaken a battery that is currently sleeping.
  • Put in your battery correctly, depending on the battery’s polarity.
  • Take another measurement of the battery’s voltage approximately one minute following being on “wake up,” or instead, read the instruction manual supplied with your charger to see if the procedure should be finished.
  • Place the battery back into the lithium-ion charger and allow it to receive a full charge. This process, which will take approximately three hours but can vary depending on the type of Li-ion battery you are reconditioning, should be repeated.
  • On other chargers, the transition from recovery mode to charging occurs immediately; therefore, you can maintain the battery connected through the process on these devices.
  • The next step is to discharge the Li-ion battery again using a device that will place enormous pressure on the battery, such as an LED flashlight.
  • After storing the Li-ion battery in an airtight container and storing it in the freezer for around twenty-four hours, examine the bag to guarantee that it does not contain any moisture that might trigger the battery to become wet.
  • When you remove it from the freezer, allow it to thaw at ambient temperatures for a maximum of eight hours to restore it to its original state.
  • Plug the Li-ion battery into the charger, and enable it to receive a full charge.
  • We can only pray that the device’s efficiency will improve, that it will once again welcome a charge, and that it can continue to function for a more extended period between charges.
Dead Battery Solution Without Battery Booster

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Rather than throwing out a dead lithium-ion battery, learn how to jumpstart a dead lithium-ion battery. Initially, use a multimeter to verify its voltage. Use an appropriate lithium-ion booster and charger with a battery that isn’t fully charged. 

Try successfully charging and draining it. Scientists advise fixing frozen reducing batteries. Use NiMH or NiCd batteries instead for this process. Other choices include changing battery cells using soldering skills or using overvoltage.

You can jumpstart a dead lithium-ion automobile battery, making it the simplest solution. Try putting warm water with magnesium sulfate into the battery cell for an ordinary lead-acid battery. 

Lastly, you can utilize jumper wires from another vehicle’s battery to jumpstart a dead lithium-ion motorcycle battery. Make mindful you clamp to the negative terminal of the active battery before connecting to the positive red terminals on both vehicles. 

Install the additional black clamp to an unpainted part of the bike’s chassis. To decrease the likelihood of overloading your bike’s battery or injuring its electrical components, it is preferred to refrain from jump starting an automobile when it is in motion. 

Please try to revive a lithium-ion battery before recycling it. Most dead lithium-ion batteries can be recharged and recovered with suitable instruments and approaches, saving you cash while reducing waste.


How Do You Get A Dead Lithium-ion Battery Back?

According to the kind of Li-ion battery you are reconditioning, it ought to take about 3 hours to fully charge the battery when you place it back into the lithium-ion charger. Chargers that automatically move from recovery mode to charging on specific devices enable you to maintain the battery in place the entire time.

Can A Completely Dead Lithium Battery Be Recharged?

With the correct tools, you can revive lithium batteries that have died. Likewise, you can charge a specific lithium battery using several unique electronic devices. Most of the energy they can keep is contained in a particular power adapter that can be used to charge them.

How Do You Wake Up A Lithium Battery?

Connect the battery to the proper charger for a few minutes while maintaining an eye on it to look for any signs of harm or healing. Use a charging device that includes a “boost” or “wake up” option. Remember that increasing a lithium-ion battery with a voltage of 1.5 or lower is not suggested.

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