Kindle Hard Restart

the battery voltage is gradually increased to the standard battery voltage

Over-charging and over-discharge, lithium-ion batteries will cause permanent damage to positive and negative, from the molecular level, intuitive understanding, excessive discharge of carbon anode will lead to excessive release of lithium ions make their lamellar structure is collapsed, over- will charge too much into the negative electrode of lithium ion hard carbon structure to go, and make some lithium-ion can no longer be released. This is also why the lithium-ion batteries are usually equipped with charge-discharge control circuit reasons.

Not suitable for the temperature, will lead to an internal lithium-ion batteries produce other chemical reactions of compounds that we do not want to see, so many of the lithium ion battery between the positive and negative temperature with protective membrane or electrolyte additives. The battery temperature to a certain situation, composite membrane electrolyte membrane hole closed or degeneration, cell resistance increases until the open circuit, the battery will not heat up, to ensure the battery temperature is normal.

The deep charge and discharge can improve the practical capacity of lithium-ion batteries it? Experts clearly told me that this is meaningless. They even said that the so-called three full charge up before using the “activation” in their knowledge of where the two doctors, also need to figure out what this. But why so many people of deep charge and discharge capacity after the Battery Information in labeling will change it? Will be mentioned later.
Notebook computer lithium-ion batteries are generally charged with the management of chip and controller chip. Management chip which has a series of Acer extensa 5220 battery registers, there is capacity, temperature, ID, charge status, discharge frequency values. These values are in use will gradually change. I personally think that the notebook computer for use in the “use of a month should be a full charge and discharge” approach should be the main role is to amend the register where the value of improperly, making the battery charge control, and consistent with a nominal capacity of the battery the actual situation.
Main control chip, battery charge control the charging process. Lithium-ion battery charging process is divided into two phases, constant current fast charge phase (when the battery indicator light yellow) and reduced voltage current phase (the battery indicator light flashes green. Constant current fast charge phase, the battery voltage is gradually increased to the standard battery voltage, then under the control chip into the constant pressure phase, the voltage will not rise to ensure that no over charge and current as the battery level gradually decreased up to 0, and the final charge.
Statistics chip power consumption records through the discharge curve (voltage, current, time) can calculate the sample battery power, this is what we read about in the Battery Information wh. Value. And lithium-ion batteries used in many occasions, the discharge curve will change, if chip has been no opportunity to once again read out a complete discharge curve, the calculated power is not accurate. So we need to calibrate the battery charge and discharge of deep chips.

IBM laptop batteries in use, activate and other operations, for various reasons, often in the details of the operation error, unconsciously inadvertently hurt your battery.
Here we give a detailed analysis of two examples to illustrate the “operational details” importance.
Example One: When the laptop AC power state office, turned off, when to disconnect the AC plug? After work, after shutdown, after a while screen off, then we can easily think that has been shut down successfully, they will immediately unplug the AC plug conveniently, does not know at this time although the screen closed, but the board power indicator (the word look like a circle in the Z direction with lights) remain kindle, laptop in fact still working at this time, that machine then the power supply needed; if now unplug the AC plug, laptop AC power status immediately changed from battery-powered state, unreasonably use of a few seconds the battery, so if does not take much power though, it accelerates the battery more quickly fell to the set value of the initial charge capacity, thereby reducing the battery charge with the cycle, affecting the battery life. No pulling the plug early exchanges that night drawing be? When the board power indicator light turns off (power light still kindle), if not unplug the AC plug, the system’s power management procedures and battery inside the battery-management chip interface circuit composed of about 5 seconds will be automatically transferred to “off state of charge”, so do not pull off the exchange after the delay would be no reason to plug on the power> 96% of the battery for a short period of time the charge, and hurt your battery. [Battery not fully depleted before (that is, from 5 to 100% power), not to charge the battery, otherwise it will shorten battery life. ]
Above, the correct action is: in addition to the power indicator light outside the bottom of the screen all the light has gone out, that is, unplug the AC plug with (not later than 5 seconds), AC plug for about 5 seconds, the power indicator Auto off.
According to this analysis, the original AC power supply, its intent to minimize the use of the battery, thereby extending battery charge with the cycle; the details due to operational deficiencies, “Ai Qing Qing is not actually anti-harm”; “operational details” The importance is evident.
Example Two: When using the AC power supply, AC adapter AC input and DC output plug plug plug (unload) the details of the order of operations is luxurious. The correct method of operation is: first AC adapter DC output plug into the laptop’s power jack, then plug into 220V AC input AC power outlet; and unloaded when the AC input should be first Unplug and then the DC output plug. If the plug (unloading), the reversed sequence, the AC adapter will load the state Department, the AC adapter is not allowed to empty state office, because of their work in the pulse state, no-load switch inside the transformer winding will produce very high peak voltage breakdown, such as anti-IC, voltage-sensitive components such as capacitors. Although the AC adapter it has established its no-load protection circuit, but the design should take account of other problems, this protective effect of the protection circuit is very limited; therefore no-load state when the AC adapter when Department may be damaged.
From the above analysis we can understand any details of the operation is so important, does not allow for vague and lax; said the big point, that is what we usually are talking about prudent nature of science and technology. To this end, I feel the need to write some of my previous rules for the operation of the battery to make appropriate changes to the text, sorting; for your reference, to draw the attention to detail on the operation; but also please the teacher criticized corrections and additions. Increase because of the limited series, not below as another example, in the above example, a detailed analysis, this point also please forgive me.

Activate the battery processing method:
Activate the battery of chemical substances, to maximize the battery performance, need to repeat the charge and discharge the battery (fully charged and then fully discharge) three times. The so-called fully charge and discharge means: the normal boot order of 3% battery power to the battery (preferably a run out, can be divided into several times to power, but not interval too long), and then must immediately shut down the battery charge 12 hours.
Here stressed the need to charge the battery immediately, because even if do not use the battery will self-discharge to 3% when the battery power consumption at this time if the battery charge time, battery self-discharge phenomenon can easily cause over-discharge The damage to the battery, over discharge lithium batteries is a major taboo.
Activation of the battery charging processing, office machine must be turned off. If the time machine office waiting, hang and so state, when the charge to 3 to 4 hours of green power status light is no longer beating, the machine will automatically stop charging the battery, so can not be fully charged battery. When the discharge to 3% of the electricity, the machine will automatically enter sleep mode immediately, and you should restart the machine, the machine starts the process off the bottom left of the screen click the button, so the machine off.
If the above operations have a good grasp of every detail, and the quality of your battery no problem, you can activate the battery well of chemical substances, to maximize battery performance, basically the normal battery after each use can charge to 100%.

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If the above operations have a good grasp of every detail, and the quality of your battery no problem, you can activate the battery well of chemical substances, to maximize battery performance, basically the normal battery after each use can charge to 100%.

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