Posts Tagged ‘charge’

Simple Guidelines about using battery when charging and storing

February 25th, 2010

Simple Guidelines about using battery when charging and storing

Avoid frequent full discharges because this leads to additional power consumption of the backup battery. Frequent partial discharges with many charges are better for lithium-ion laptop battery than one total discharge. Charging a partially discharged lithium-ion battery, the battery does not hurt, since no memory effect occurs. (In this respect, lithium-ion differs) of nickel-based batteries. The short battery life in a laptop is justified by the heat rather than through many charge / discharge cycles ..

Although free from memory, it should at lithium-ion batteries are only aware after 30 cycles, a full discharge is to calibrate the Toshiba pa3384u 1brs Toshiba pa3107u 1brs battery with the fuel gauge too. The discharge of the battery with the device serves this purpose. If this is ignored, the fuel gauge is crucial unreliable. The battery life will not be affected.

Lithium-ion Apple a1057 A1012 batteries should be kept cool. Hot cars are to be avoided. For longer storage, the battery should have a charge of about 40%.

Consider removing the iBook G4 14 Battery battery from a laptop when it is fed from the mains. (Some laptop manufacturers are concerned about dust and moisture accumulating inside the battery compartment).

Abstain from the purchase of a replacement MacBook Pro 15 Battery battery for later use. Note the date of manufacture. Do not buy old batteries, even if they are offered at reasonable prices.

Battery4.us Hopes that help you.

The life of lithium batteries may be extended: store and charge

February 24th, 2010

The life of lithium batteries may be extended: store and charge

If possible, the Dell latitude d600 battery should be stored in a cool place with 40% charged. A certain energy reserve is needed to keep the operations of the battery and its protection circuit, during prolonged storage. The worst combination is full charge and high temperature. This happens when the phone or spare battery in a hot car to stay. Using a laptop with a mains supply is similar to temperature problems. If a battery is fully charged, the internal temperature rises during use at about 45 ° C.

Removing the battery from the laptop when it is fed by the network, protects the Dell d5318 battery from overheating, but different laptop and battery manufacturers warn. They say that dust and moisture can damage the laptop. The seller will be lucky if he can sell them a replacement battery, maybe a little earlier than really necessary.

But the question is often asked whether the laptop should be unplugged when not in use. With lithium-ion, this is not an issue. Once the latitude d620 battery is fully charged, no additional charge current flows more. It is however recommended to switch off the laptop overnight, because of heat damage to the battery.

A large number of lithium-ion batteries is finally disposed of during the warranty period. Some of the defective batteries are sent to a service center or the manufacturer, where they are regenerated. Studies show that 80-90% of the returned latitude d610 battery can be repaired and reinstated.

Some lithium-ion batteries fail due to deep discharge. If the discharge to a lower cell voltage of 2.5 V / cell, leads, opens the internal protection circuit and the battery seems to be dead. A charge with the original charger is impossible. Some battery analyzers (Cadex) have the ability to reactivate a Boost (wake-up) function, the protection circuit such a ‘defective’ aspire 3000 battery, and thus allow the loading process again.

However, if the cell voltage below 1.5 volts per cell has fallen, and remains for several days in this condition should be waived on a recharge for security reasons. To prevent such margins, a battery should never be stored fully discharged. Charge the battery before storing something and then load it fully before the recent use.

All the PC (personal computer) and some other electronic devices that contain a backup battery for internal memory. This battery is usually a small, non-rechargeable lithium battery, which delivers a small current when the device is switched off. The PC uses the battery to be able to store certain information, even if the device is switched off. These are the entries in the BIOS, the current date and time, and allocating resources of the Plug and Play system. The memory function is to shorten life expectancy by a backup battery for a few years.

Some people say one to two years. If the PC connected to the network, even though he is off, should the backup battery on the PC mother board for 5 to 7 years his gut. A PC should display a timely reminder, if this backup Apple a1008 Sony vgp bps5 battery is weak. A non-operational back-up battery leads to the loss of the volatile memory, and some settings may be lost. According to replace the backup battery, the PC should again be operational.

How to charge your laptop battery properly?

January 9th, 2010

How to charge your laptop battery properly?

solarroll-laptop-solar-charger

During the the process of notebook using, we need no to deliberately charge the laptop battery to 100% state or fully discharged laptop battery to automatic shutdown protecting. The correct way is that charge the battery in 20% state and stop charging in 98% . If the machine has the power calibration procedure, when the battery standard-by time significantly reduced. Then calibrate the battery in time to active the protection circuit performance.

For early notebook batteries as Dell XPS M1730 Battery (Ni-MH Ni-MH or Ni-Cd Ni-Cd), really need to fully charge and discharge in order to maintain good battery capacity. But for the lithium battery is not necessary even it may damage the battery.

In fact the lithium batteries has a little memory effect. The lithium VGP-BPS9/S battery materials is very sensitive to the conditions as temperature, the use of frequency and so on. The battery will be aging after used for some period time (standby time reduced). The natural wear and tear is an important reason, and inadequate maintenance is another important reason.

A well-designed lithium batteries have a very good protection circuit to prevent excessive charge and discharge.As over-charging and discharging of the Sony VGP-BPS8 battery will be the rapid reduction activity. Under the protection of protection circuit, the user fully charge and discharge the battery several times, in fact, impossible to achieve had “full” level.

Sometimes WINDOWS show that ThinkPad R40 Battery capacity is 20% or more, you can use 30 minutes. But after used 10 minutes or less the machine suddenly automatically shut down. The reason is that the battery has been aging, the battery protection circuit can not monitors the battery real capacity. In the normal battery depletion, the protection circuit original parameters have been unable to properly reflect the actual situation of the battery

So power calibration procedure is to correct the benchmark protection circuit parameters to accurately reflect the actual capacity of the IBM ThinkPad R50 Battery. This correction process will often take two or three complete charge and discharge. As previously mentioned, fully charge and discharge will reduce the battery activity. It is not frequently used, usually once a month.

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laptop battery can not charge and dischage

December 18th, 2009

laptop battery can not charge and dischage

Generally, we said our laptop battery dead means that : the battery can not charge or discharge. The laptop battery can not work after used for some months most caused by the problem. Also sometimes the battery suddenly can not be recognized by machine. This is the adapter or mohterboard problem (espacially in dell laptop battery).

To second problem we only can change the adapter or motherboard. So http://www.battery4.us will talk some useful tips about the reason and solution to the “battery can not charge and discharge” for you.

The laptop battery can not discharge

Laptop battery can not discharge Reason:

  1. The laptop battery after the storage using and the life decay;
  2. Lacking charge or not be charged;
  3. Ambient temperature is too low;
  4. Discharge efficient less, such as the large current discharge cause voltage sharp drop to 0, then electricity can not be released
  5. The Toshiba PA3399U-2BRS battery has been in over-discharge protection.

Laptop battery can not discharge Solution:

  1. The Dell Inspiron 1525 Battery during storage should take a monthly charge and discharge;
  2. Charge the battery at 10% state;
  3. Use in a normal environment;
  4. Use proper adapter of the machine.
  5. Place it in icebox for about 12 hours and cool place 3-5 days to unlock the protection

The laptop battery can not charge

Laptop battery can not charge Reason:

  1. The Inspiron E1505 Battery in zero voltage;
  2. charger failure, no output current;
  3. External factors have led to the charging efficiency is too low (such as low or high temperature).

Laptop battery can not charge Solution:

  1. Check charger output voltage and current;
  2. Check the laptop battery charger output contacts is good or not
  3. Charge the battery with 1.5 times the maximum voltage of the battery, 1.5C high current charging, active the Sony VGP-BPS8 battery . (Only when the battery can not charge, use this method)

In the end, http://www.battery4.us wish you have a good Christmas Day.

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