Why the old lithium-ion battery became useless

Due to the purchase of a camera to buy two Lithium Batteries, a battery has been unwilling to use, today took out the charge found that the charger light flash two times is not bright, there is no way to charge, how to do ah, later on the Internet search, found that my this battery has been scrapped, love ah, ignorance ah......

Brothers, there are lithium batteries in the hand, remember to charge ah, or too much discharge, it can no longer be filled, equivalent to scrapped, that desperate ah...

We were wrong all along! Lithium batteries take care of Dafa.

For a long time, everyone for iPhone, iPodtouch, iPad in the end when to charge, is it better to wait until the battery runs out? Should I charge it for 12 hours the first time? Does frequent charging reduce battery life? My mobile phone is connected to my computer every day. Will it die sooner?

In order to solve the above problems, today's special compilation of this article, I hope it will be helpful to everyone:

Conclusion:

1. The use of Lithium Battery devices, the first use does not charge 12 hours, which is not necessary!

2. Charging at any time has no effect on your device, because the lithium battery is not afraid of you charging, but afraid of no electricity!

3. Please charge the battery as soon as possible, too long will make the battery can not sleep from now on!

Type of battery:

Lithium batteries can only be charged and discharged 500 times? You're right, you're right, you're wrong!

In some international research data shows that the number of charge and discharge is indeed limited, which is correct! However, this must be structured in the case of running out of power, that is, if you fully charge the power (4.2 volts) and then continue to use (3.6 to 3.7 volts), as the power gets lower and lower (3V to 2.5V), it will start to carry out weak warnings, and if it is lower than 2.5V, the battery is exhausted and automatically shuts down. This is called deep discharge (from 2.5V to 4.2V counts as one charge).

According to foreign experimental data show that the number of deep discharge of excellent lithium batteries can reach more than 500 times, in other words, although the deep charge and discharge (full, exhausted) action is not good for lithium batteries, but the number of such actions and life is also up to more than 500 times the life, However, it still depends on the design and quality of the battery (excluding the brand advantage, the expensive battery still has its expensive reasons), and it is certain that ...... The more times you discharge your battery, the sooner it will die!

But according to the characteristics of lithium batteries, when the battery is low to a certain extent, then the lithium battery will engage in self-closure, real-time is not broken because the voltage has been lower than a certain limit, and lead to the death of the battery can not sleep (this is now called false fault)!

So you will find that if your mobile phone battery or digital camera battery has not been used for a long time, how can this battery not be charged? Or is its life getting shorter? In fact, this is because the battery is exhausted, so the voltage is too low for the lithium battery to start, so the battery fails prematurely (because the voltage is lower than the value, resulting in the battery core cannot start the charging process again)!

This situation most often occurs in the battery of the digital camera, many people will buy a few more batteries for the digital camera, but sometimes these batteries are not used often, coupled with the usual ignoring the action of charging, so one does not pay attention, these batteries are so put out of power when the battery power is lower than a certain voltage, This battery is dead (so remember to take the battery out and charge it).

Good batteries will have a "charge management IC" to limit the charge and discharge voltage to ensure it does not exceed the safe voltage (overcharge) and cause the battery to explode, and it will also be detected by the IC to avoid less than 2.5 volts so the battery does not run out of power and cannot start the charging process. However, if a battery is almost dead and you do not charge it quickly, the power will still be consumed by the built-in management IC. If the voltage is below 2.5V, your battery will be scrapped.....

Lithium batteries break down if left uncharged for too long

Excessive charging, this problem in many devices have a protection device that automatically stops charging after full, so we don't have to worry about this problem! But there is another issue that we should pay more attention to, that is......... Don't leave the battery completely dead!

It is often said that it is recommended that you "use up the battery's power, and it is best to charge it after it is turned off", but this argument is completely wrong in the world of lithium batteries! When the iPhone has a power warning at 20%, it is necessary to begin to prepare for charging. If the lithium battery is excessively discharged, it may cause the battery voltage to be too low, resulting in a hibernation state that the battery cannot sleep, and the battery is scrapped and died early!

The new battery does not need to be charged for 12 hours the first time it is used.

The new battery needs to be charged for more than 12 hours, in fact, is inherited from the previous nickel batteries, such as nickel-cadmium (Ni-Cd) and nickel-metal hydride (Ni-MH) batteries continued to say, but in the progress of science and technology, to lithium batteries, in fact, there is no need to do this action! Even excessive charging and discharging is harmful to lithium batteries.

Many products (mobile phones, digital cameras, special) in the manual, will require you to fill more than 12 hours when you first use, in fact, in order to "safety", because these products from the factory shipment to the sale of the user's hand, this process may take several months, and these batteries may be slowly lost during this period. As a result, the power continues to decline, so in the original instructions, it is usually recommended that you first connect the charger, and charge for more than 12 hours, in fact, to avoid playing when you get the device, if the battery is played to less than 2.5V, the battery is bad! Therefore, the original factory will ask you to charge for 12 hours, in fact, it is also a "technique" to avoid users accidentally cause battery depletion.

Most chargers or devices (mobile phones, digital cameras, laptops, etc.) automatically stop charging when the battery is full, and the protection device is switched off when the weak current is present, in order to avoid damaging the battery. But there are some cheap batteries or chargers that "may" not do this (cost), so be careful when using, take it off when the battery is full, do not always put it on the charger, it is meaningless, and take it off as soon as the battery is out of power, do not continue to use it so as not to cause the battery to run out of power, so the battery will hang up!

Charge it when you want, try to keep it charged, that's all.

All in all, don't let your battery die! This is the best protection, at any time to plug in the charging cable, transmission cable, and has no effect on the battery, the characteristics of the lithium battery itself, determines that it has almost no memory effect, so even if you now have 80% of the power, even dare to charge it, the battery will automatically stop charging action after full, so that your battery will not overcharge, will have no effect on the battery!

In other words, lithium batteries are not afraid of charging at any time, but afraid of no power! When the power is too low, it should be charged as soon as possible or the battery should be replaced, do not let it completely exhausted (for example, the battery of a digital camera, do not desperately shoot completely out of power, which is very hurt).

If the lithium battery is out of power and left for a long time without use or charging, it will cause the lithium battery to fail because the power is too low and can no longer be used, and the battery that often runs out of lithium battery power is at least less than half of its life than the use of regular charging.