Laptop Battery Myths
Laptop Battery Myths
Laptop Battery Myths
TUAW end of this article on notebook batteries with this advice:
Never leave the machine connected all the time. The laptops should be portable. Use it as a desktop computer that is running on the battery will destroy the life of the battery.
Cycles are your friend. Let the cycle of the duracell battery charger will significantly reduce the execution time. Try to avoid charging the battery when it is drained of 30%. Each time the battery dead last 50% and has loads of more than 50% as a cycle. The more you let it drain before charging - the most of your general health will continue.
30 cycles in one year is not a good thing. ;)
Let the battery discharge once a week.
Never let it rest for a long time to use without. Batteries need to be loved or you do not love you.
* Most of these tips not apply to lithium-ion (and right now are lithium-polymer batteries) are produced in almost all laptops in the last ten years.
to update the effect of "Memory" or the need "or" deep cycle "the battery is fully charged before power is the knowledge from the time of NiCd and NiMH batteries incorrectly. The lithium-ion does not suffer any memory effect.
It is wrong to not leave your laptop plugged in fact it's a good thing you keep in touch if you do not need to work the battery.
* Update: Apple recommends that runs on battery for a time at least once a month. It is very difficult to have a laptop and do it, but it is an extreme case, to realize that some people. I will do this: edit technically not connected to your laptop can all the time, but certainly do not need deep cycle "once or twice per week, as TUAW post. In addition to the recommendation to use the battery a month is not only for obtaining skills it primarily as a charge for the correctness of the battery capacity of course notes with life.
That is, is here, as containing the lithium-ion batteries.
Due to its chemical composition, their ability decreased with age. Laptop batteries usually lose most of its usable capacity of 2-3 years of production (the first non-use). The new lithium-polymer battery in the MacBook Air and MacBook unibody (not only removable) claim to have improved, but it is too early to say whether these allegations are based. Let us assume that the majority of portable batteries must be replaced every few years.
If you use the laptop on battery a lot, the battery life is shortened. This fatigue "effect is much less strict than most other battery technologies, but is always present. Therefore, if you plug if necessary.
When connected, the battery is not in use. The circuit of the laptop battery possibly forget. Depending on how smart charger that can be sometimes boring and "Finish" the battery when the load is reduced to a level below 100%, but this is rarely necessary in practice.
If the battery is not used, it gradually loses its charge because of the tendency of all the batteries will gradually self-discharge. Lithium-ion and lithium polymer batteries have the lowest rate automatically download all current battery technology, estimated that less than 1% per month and are difficult to distinguish from the loss of capacity with age.
In fact, if your laptop is closed, the battery will discharge slowly over time because it does not really "free". A small amount of electricity is necessary to preserve the state of the RAM during sleep. Is not the discharge of the battery - is used, but much slower than when the computer is in use.
If Apple determines that the battery is defective or has been carried out in the rule, the utility "special" System Profiler is running. You can too. Check the food department, and I say that your battery is discharged, the capacity to produce dedicated and the amount of capacity per cycle is maintained. Apple authorized technician will compare the number of cycles to the loss of capacity. If the battery much capacity in its first year, has lost, but not enough to graduate is reasonably correlated with the loss of capacity, we will be replaced under warranty .
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