IBM ThinkPad R32 R40 Series Battery, brand new replacement that is made from A grade quality cells(Panasonic, Sanyo, Samsung), is tested throughout the manufacturing process to match the original IBM ThinkPad R32 R40 Battery's performance. For it is made under the international standards and certification(CE, UL Listed, ISO9001/9002), we ensure that IBM ThinkPad R32 R40 Laptop Battery will be quite compatible with original equipment and specifications. With 12 months warranty for manufacturer's defects on all the batteries ordered from us.

IBM ThinkPad R32 R40 Battery features
1.High quality and rechargeable ( between 400 to 600 charge-discharge cycle).
2.Replacement OEM IBM battery,100% compatible with the OEM IBM ThinkPad R40 Battery.
3.Uses the highest quality graded and sorted cells(Panasonic, Sanyo, Samsung, BAK). 4.No memory effect with li-thium IBM ThinkPad R40 Battery.
5.Undergone comprehensive quality testing throughout the manufacturing and assembly process.
6.A 12-month free replacement warranty for manufacturer's defects.

Specification:
Battery Type: Li-ion,  Volts: 14.4V,  Capacity: 4400mAh

Compatible Part Number:
02K7052, 02K7053, 02K7054, 02K7055, 02K7056, 02K7058, 02K7059, 02K7060, 02K7061, FRU 02K6928, FRU 02K7053, FRU 02K7057

Fit Models:

IBM ThinkPad R32 Series
ibm ThinkPad R32

IBM ThinkPad R40 Series
ibm ThinkPad R40

How to lengthen IBM ThinkPad R40 Battery life?

Properly preserve and comply with the following recommendations ,you will effectively lengthen IBM ThinkPad R40 Battery life .

1.To use adapter to maintain battery power for the required journey.
2.Purchase an additional laptop battery.
3.When connected with the adapter, the discount IBM ThinkPad R40 Battery 9 cell should be installed in the laptop.this measure wil not cause over-charging. With rechargeable laptop control and protection circuit desig,nonce the battery is fully recharged,it will not charge again.
4.The best way to extend the life cycle time and lengthen the IBM battery ThinkPad R40 life is not to frquently plug ac adapter.
5.When the laptop card is not used, please remove it fromthe pc card slot to avoid wasting electricity.
6.When the cheap IBM ThinkPad R40 Battery replacement is in the direct using condition, the number of its charging and discharging can reach about 500 times.while over-charging and discharging will shorten IBM ThinkPad R40 batteries life.
7.The replacement IBM ThinkPad R40 Laptop Battery needs to be stored in the dry and cold place. The recommended storage temperature is 10-30°C. High ambient temperature could make IBM laptop battery pack rapidly self-discharge and reduce its using life.

Solutions to common IBM R40 Battery problems

Q: Is it necessary to activate the new IBM ThinkPad R40 batteries?
A: Yes,it is.It generally takes more than 10 hours to activate the newly bought battery each time. And it could be fully activated after repeat 3-5 times.

Q: how to properly charge the IBM ThinkPad R40 laptop battery ?
A: any time is available. The best time to charge is when the laptop automatically shut down .Each time for charging and discharging is fully developed,which is good to extend the IBM battery ThinkPad R40 life.

Q: Is it right to unplug the IBM R40 Battery when using the external laptop ac adapter?
A: It is unnecessary to do that. rechargeable IBM R40 Battery has anti-overcharge protection circuit inside.Therefore, when the replacement IBM ThinkPad R40 notebook battery is fully charged, it will not be harmed; what is more, once the power were cut off after the battery is removed, it would have bad effect on the laptop itself.

Q: How to properly maintain the IBM ThinkPad R40 replacement battery that is not used for a long time?
A: The battery should be kept with full power at room temperature,when not used for a long-term. Because internal components would deplete part of the power, the electricity could reduce when placed for some time. It is recommended to recharged the battery after saving the battery for 1-2 months in order to prevent the voltage being too low to lithium-ion IBM ThinkPad R40 Battery not charging.