how to revive a dead phone battery

With mobile phones now widely used across almost every age group, people increasingly experience diminishing standby times following prolonged use.

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But why does this occur? It’s primarily caused by the quality of the phone battery. This is why maintenance of your phone battery is crucial to improve longevity, but it’s never too late. In this practical guide, I will highlight the main methods to easily and quickly prolong your battery’s lifespan.


Method 1: Wipe and clean your mobile phone

After long term use, the metal surface of the

lithium battery



and even the contacts can suffer from oxidation. This may shorten the lifespan and effectiveness of the lithium battery. Carefully and routinely remove any residue/rust that has built up to ensure the battery has a clean contact with the phone.

To do this, gently wipe the metal contents of the battery and your mobile phone with a suitable cleaning tool. This also improves recharging efficiency and the battery use duration.

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Method 2: Bring a dead battery back to life by freezing

Lithium reactions in batteries work using a charge-discharge process in which positive and negative electric charges collide with each other. Under normal room temperature, the kinetic energy is relatively sizeable, however as the battery is maintaining an active/ready state, electric leakage can frequently occur. However, under low temperature conditions, the lithium coating on the battery’s surface, along with the electrolyte micro-structure and the interface will be significantly altered leading to a temporary inactive state that minimizes electric leakage. This extends the phone battery’s lifespan allowing it to be recharged across more cycles.

Step 1:

Wrap your ageing phone battery in old newspaper and rewrap it with plastic film 2 times. Alternatively, place the battery inside a tightly sealed plastic bag that prevents it from getting wet.

Step 2:

Place the battery in the ice compartment of your fridge, and take it out after 3 days.

Step 3:

Remove the wrapping and place the battery in cool location away from direct sunlight for 2 days.

Step 4:

Insert the battery into your phone but don’t power on your device. Instead, plug the phone into the proper charger and allow the device to charge for 48 hours.

After the device has charged for 48-hours, turn the device on and check the battery power level. If successful, this method will have revived your previously dead battery allowing it to hold a charge again.

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Method 3: Try jump starting the battery

This method is generally effective for mobile phone batteries that have either reached their lifespan limit or have been left discharged for a long period of time; they eventually lose their ability to hold a charge. In fact, this can also occur to a phone battery during long distance shipping, due to the travel time from one country to another. But now you can learn how to resolve the issue yourself.


Before doing this, you will need the following:

• 9V battery, for its easy-to-access terminals

• A length of split wire to connect to the battery

• Electrical tape to secure the wire

• The battery itself

Step 1:

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The positive and negative terminals on the

9V battery



will be clearly marked. Identify them and connect the corresponding side of your wire to each terminal, being sure to cover the connection with electrical tape for safety.

Step 2:

On your cell phone battery, the positive and negative terminals will also be marked. Connect the wire to these as well, remembering again to secure with electrical tape.

Warning:

Don’t connect a positive side to a negative side.

Step 3:

Leave the batteries connected for between 10 to 60 seconds, or just long enough for your cell phone battery to get warm. Monitor the temperature and time closely.

Step 4:

As soon as the battery becomes warm, disconnect the batteries immediately. DO NOT try to fully charge your cell phone battery this way. Place the battery into your phone. You may need to charge the battery the rest of the way as normal, then try to power on the phone.


Method 4: A small bulb may help

Fully discharge the ageing battery and recharge it to activate it. By doing this kind of deep discharging, the aim is to prime the battery for deeper recharging by fully draining out internal energy first.

You will need 2 pieces of wires here and connect it to the positive and negative pole of your phone battery.

Following this, connect your phone to a 1.5V small bulb.

Any residual power contained in the battery will be transferred to the bulb until it has been fully exhausted.


Note:

the bulb light will gradually grow dimmer until there is no light emitted. This method is not the most effective, but it works to some extent.


Conclusion: Actually, the best method is daily care

You should adhere to the standard charging procedures and times as close as possible, it’s better to do this during the initial 3 times, and ideally from the first time. When your phone shows the low battery warning, try your best to charge it immediately.

Finally, avoid charging your phone overnight, even if it’s a habit, due to the impact that unstable charging voltage can have on your phone’s battery.

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