IBM Laptop Battery

IBM Laptop Battery are made from the highest quality parts, the IBM Battery are tailored made according to the original size, whether the Battery appearance, size and quality are the same as with the original. Every IBM Battery should be under strict quality control including filtration and safety testing of voltage,capacity and IBM Laptop Battery core before leaving the factory, and has passed the authentication of CE, UL, EMC, CQC, ROHS, etc.

List by IBM Laptop Battery Parts No.

IBM Laptop battery using instruction

Most of the new laptop battery at the factory are set to sleep mode, the first boot with only about 5% of the electricity. You should not use an external power supply at this time, let the battery exhausted, until shutdown, then switch on the external ac adapter and the first charge had better over 15 hours. After fully charged, you should charge after the exhaustion of batter, the time of the second and third charge should be more than 12 hours, in order to activate IBM laptop battery and lay a good foundation for future use.
Notebook's battery life is measured in terms of the number of charging and discharging. Do not enable the IBM laptop battery unless it is necessary, if you don't use the battery for a long time, you should charge it to about half full and place in a cool place to keep. If you enable the IBM battery, you should run out of power after the charging, and do not plug in the AC power before exhausted. When the IBM laptop battery fully charged, you should disconnect the AC input because overcharge will make the IBM battery overheat and that will shorten the IBM battery life.
Generally speaking, nowadays the laptop are with intelligent IBM battery protection, the IBM laptop battery will not be damaged due to normal operation, but still may damaged for the life-span of IBM thinkpad battery or other special reasons.
Lithium-ion IBM battery should fast charge in constant current and then switch to slow charge in constant voltage when the voltage reaches a certain value. Usually the laptop doesn't have a strictly constant-current charge monitoring device. Charge current will turn small when system load large and vice versa, the current is decided by the IBM AC adapter power margin, it is obviously.
Discharge in a current as small as possible, the action is to slow down the CPU, stop the hard disk, adjust the screen to the most dark, and then do not run any programs until the laptop automatically shut down. The reason to emphasize the small current discharging is to prevent the IBM laptop premature detect the laptop battery voltage shortage.

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