DBI's IBM ThinkPad T40 Battery, brand new replacement that is made from A grade quality cells(Panasonic, Sanyo, Samsung, BAK), is tested throughout the manufacturing process to match the original IBM ThinkPad T40 Battery's performance. For it is made under the international standards and certification(CE, UL Listed, ISO9001/9002), we ensure that DBI's IBM ThinkPad T40 Laptop Battery will be quite compatible with original equipment and specifications. With 12 months warranty for manufacturer's defects and 30-days money-back guarantee on all the products.
IBM ThinkPad T40 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 T40 Battery.
3.Uses the highest quality graded and sorted cells(Panasonic, Sanyo, Samsung, BAK).
4.No memory effect with li-thium IBM ThinkPad T40 Battery.
5.Undergone comprehensive quality testing throughout the manufacturing and assembly process.
6.A 12-month free replacement warranty for manufacturer's defects.
Fits Parts NO.
Fit Laptop Model.
Current Reviews:
6 Read all reviews
Date Added: 08/24/2009 by Jerome Frederick
No problems whatsoever. I've been using it about a month now. The capacity is at least as much as the original, if not a little more. The battery indicator in my Thinkpad R50 works just as well and as accurately as before.
Date Added: 09/24/2009 by Filliertry
my friends have recommended this kind battery for me. this time i decided to purchase one.it is really good and easy to use.
wish longer tome for using. it os too early to say it is perfect.
Date Added: 10/19/2009 by Titty.CAT
if you don not thinks this supplier is trustful,i donnot know what to say. this itme is very stable when it is recharged. thans for the convenience you brought for me.
Date Added: 11/24/2009 by Grizzy123
So far so good. They worked right out of the package like advertised. No problems yet.
Date Added: 11/30/2009 by J.Morgan
this battery was received as advertised and it's fit and performance was and is as promised
Date Added: 12/02/2009 by Drosslogier
Good item description. I have a ThinkPad t40 laptop and my battery died. Now my laptop has a longer life than it did on its old battery! Fast shipping and I'm very pleased. wish this battery replacement could be working well in my laptop.
How to lengthen IBM ThinkPad T40 Battery life?
Properly preserve and comply with the following recommendations ,you will effectively lengthen IBM ThinkPad T40 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 T40 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 T40 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 T40 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 T40 batteries life.
7.The replacement IBM ThinkPad T40 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 T40 Battery problems
Q: Is it necessary to activate the new IBM ThinkPad T40 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 T40 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 T40 life.
Q: Is it right to unplug the
IBM T40 Battery
when using the external laptop ac adapter?
A: It is unnecessary to do that. rechargeable
IBM T40 Battery
has anti-overcharge protection circuit inside.Therefore, when the replacement IBM ThinkPad T40 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 T40 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 T40 Battery not charging.
