Frequently Asked Questions for DELL battery
Posted by ecsem1 on Nov 13, 2009Frequently Asked Questions for DELL battery
- Q1:For the first time the use of batteries, the first three to be recharged for 12 hours?
This is totally unnecessary. Because of the laptop have improved power management circuitry and charging management system, when the battery (such as DELL insprion 1721 battery)reached saturation, the control circuit will automatically switch to the circuit state, so long as full on-line, and not to say that the longer you charge the longer you can use.
- Q2:In order to prevent memory effect, we should run out before battery charges ?
Each charge before the pairs of battery discharge is not necessary, but also harmful. Because it has proven: DELL insprion 1721 battery depth of discharge will be unnecessary to shorten battery life, it is recommended to use about 10% that the battery can be charged . Of course, when the battery power is still more than 30% of the time advisable not to charge, because the memory effect does exist.
- Q3: insert the AC when the battery should win, so as to prevent the repeated charge-discharge do?
My suggestion is: No! Of course, you can take the natural discharge lithium-ion batteries to refute me, saying that the natural discharge the battery after the power supply access will appear if there is repeated charge and discharge, and reduce the battery life. And I give you the answer for several reasons:
1. Now laptops are designed to power control circuit of this feature: that when the battery reached 90% (such as most DELL models) or 95% would charge, but to achieve this through natural discharge capacity of one time for 2 weeks or a month, when the battery idle for about a month to fully charge and discharge in order to maintain the battery capacity, this time that you should be concerned about is the battery should be exercising their body rather than being idle again after the recharge.
2. Even if the battery like DELL insprion 1721 battery has “unfortunately” been re-charged, bringing the loss, which don’t cause much greater than it’s a long time not to drop the battery power.
3. Your data are so much more valuable than you laptop or even your laptop batteries that a sudden power failure will not only have damage to your laptop and can not restore the data,and it is too late to regret.
- Q4: long-term preservation needs of the battery is fully charged do?
Read the following table is clear: (percentage of saturation at the time the relative percentage of the initial value)
|
Storage temperature
|
40% of the charge state | 100% of the charge state |
|---|---|---|
| 0 degree | 98% (one year later) | 94% (one year later) |
| 25 degrees | 96% (one year later) | 80% (one year later) |
| 40 degrees | 85% (one year later) | 65% (one year later) |
| 60 degrees | 75% (one year later) | 60% (3 months later) |
Obviously, if you want long-term preservation batteries, as far as possible on the dry and low temperature environment and allow the battery remaining capacity in 40% of the best. Of course, the best to take the battery out every month to use them once, not lonly to ensure the battery (as KD476,C1295,INSPIRON 2650 Battery,DELL insprion 1721 battery etc.) a good state of preservation, but also to alienate the loss of damage to the battery power completely.
- Q5: how to use the notebook as far as possible to extend the use of time?
1. The screen brightness to reduce. However, power-hungry LCD screen brightness can effectively be extended to reduce the use of time.
2. Open SpeedStep and PowerPlay power-saving features such as. Now the laptop processors and graphics chips have lower operating frequency and voltage to extend the use of time functions, open the appropriate option can significantly extend battery life.
3. The use of hard drives and CD-ROM of the spin-down software: such as NERO DriveSpeed, PowerBooster can reduce software such as CD-ROM, hard drive speed, etc. can also be effective in reducing notebook power consumption.
4. Make good use of standby, sleep and other functions. As a long time without a computer, allowing notebook standby or hibernate, saving electricity extended the life of the computer.
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