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Lenovo ThinkPad T400 Battery [Brand New]
6-cell Lenovo ThinkPad T400 Battery Replacement(4400mAh, 10.8V, Li-ion)
Lenovo TT400 Battery replacement (4400mAh full capacity) is specially designed to replace the original Lenovo ThinkPad T400 laptop battery. All the Lenovo ThinkPad T400 batteries are 1 year warranty and money back in 30 days!
Battery Type: Li-ion Capacity: 4400mAh
Volt: 10.8V Color: Black
Cells: 6-Cell Dimensions: 224.20x65.00x20.35mm
* We ship to worldwild. 1 year warrenty & 30 days money back!
$94.12 $65.89 + Shipping Fee

Save: $28.23
  • Specification
  • FAQ & Tips
  • Shipping
  • User Comment

Lenovo ThinkPad T400 laptop battery replacement is special design to 100% compatible with original battery. It can meet and even exceed specifications of the original product. And we delivery the Lenovo ThinkPad T400 batteries from factory directly with bottom price.

  1. Tech Specs : Li-ion, 4400mAh, 6-Cell, 10.8V. 400-600 recharge Cycles.
  2. Battery Type : Brand new, Replacement Battery, 100% compatible with the OEM Lenovo T400 battery.
  3. Featured Highlights : Overcharge protection and overheat switch, safe used, Long battery life.
  4. Quality Warranty : Our Lenovo ThinkPad T400 battery use high quality new cells, such as panasonic,LG,sanyo,samsung and etc.
  5. Condition: Brand new-Not Refurnished, 1 Year warranty, 30 days money back.

The Lenovo ThinkPad T400 laptop battery replacement can replace following Part Numbers:

  • Lenovo 41U3196
  • Lenovo ASM42T5226
  • Lenovo FRU42T5225
  • Lenovo FRU42T5227

The Lenovo ThinkPad T400 laptop battery replacement can compatible with following model:

  • Lenovo ThinkPad R400 7443
  • Lenovo ThinkPad R400
  • Lenovo ThinkPad R61 7732
  • Lenovo ThinkPad R61 7733
  • Lenovo ThinkPad R61 7734
  • Lenovo ThinkPad R61 7735
  • Lenovo ThinkPad R61 7736
  • Lenovo ThinkPad R61 7737
  • Lenovo ThinkPad R61 7738
  • Lenovo ThinkPad R61 7742
  • Lenovo ThinkPad R61 7743
  • Lenovo ThinkPad R61 7744
  • Lenovo ThinkPad R61 7751
  • Lenovo ThinkPad R61 7753
  • Lenovo ThinkPad R61 7754
  • Lenovo ThinkPad R61 7755
  • Lenovo ThinkPad R61i 7732
  • Lenovo ThinkPad R61i 7742
  • Lenovo ThinkPad R61i
  • Lenovo ThinkPad R61i Series (widescreen)
  • Lenovo ThinkPad R61 Series (widescreen)
  • Lenovo ThinkPad T400 2764
  • Lenovo ThinkPad T400 7417
  • Lenovo ThinkPad T400
  • Lenovo ThinkPad T61 1959
  • Lenovo ThinkPad T61 6377
  • Lenovo ThinkPad T61 6378
  • Lenovo ThinkPad T61 6379
  • Lenovo ThinkPad T61 6480
  • Lenovo ThinkPad T61 6481
  • Lenovo ThinkPad T61 7658
  • Lenovo ThinkPad T61 7659
  • Lenovo ThinkPad T61 7660
  • Lenovo ThinkPad T61 7661
  • Lenovo ThinkPad T61 7662
  • Lenovo ThinkPad T61 7663
  • Lenovo ThinkPad T61 7664
  • Lenovo ThinkPad T61 7665
  • Lenovo ThinkPad T61p Series (widescreen)
  • Lenovo ThinkPad T61 Series (widescreen)

Tips about how to make your Lenovo T400 laptop battery last longer?

  1. Why my Lenovo ThinkPad T400 battery's lift time is so short?
    A: Firstly, maybe you have choosed a wrong charger or electro circuit which can not fit your Lenovo ThinkPad T400 battery. Or your Lenovo T400 battery has been overcharged or disovercharged for many times. So make sure you have used the correct charger, and do not overcharge or disovercharge your battery frequently.
  2. Avoid exposure to extreme temperatures. If the system is exposed to extreme cold or hot temperatures, allow the Lenovo ThinkPad T400 battery to warm up/cool down before use and before charging.
  3. Avoid letting your battery sit dormant for long periods of time. If you do want to leave your Lenovo ThinkPad T400 laptop battery for a long time, charge it at 40%-50% compacity firstly and store it at a cool, dry and clean place. And it's better to take it out to recharge and discharge it each month.
  4. How to store my Lenovo ThinkPad T400 battery for a long period of time?
    For extended storage (over 21 - 30 days), these guidelines can better preserve the life of your battery:
    * If it's a new Lenovo ThinkPad T400 battery, store it in its box until you need it. Otherwise, charge or discharge the battery to 40 - 60% capacity using your Windows operating system power meter, then remove it from your system.
    * Store in a standard office environment, away from extreme temperatures.
    * If possible, don't buy batteries until you need them.

Lenovo ThinkPad T400 Shipping Information:

Normal Shipping
by Singapore Register Air Mail cost: $7.99 (You will receive your Lenovo ThinkPad T400 laptop battery after 10-15 days. But some times because of clear customs problems, maybe some days delay, we hope customers could help to wait for a while.)

Quickly Expensive Shipping by EMS cost: $39.99, and please contact us Via email if you choose EMS as shipping method. (You will receive your Lenovo ThinkPad T400 laptop battery after 7-10 days. But some times because of clear customs problems, maybe you would be asked to pay for your local tax and wait for some days.)

Shipping package:Our packing is very professional and safe.

More Shipping and return policy->

So far, this battery has solved our computer issues. It holds a charge well, and fits our laptop perfectly. I would recommend this product.


I am very happy with this laptop battery. It arrived exactly as described and in perfect condition. It fit perfectly into my laptop and has a long life. I would recommend this item to anybody needing this type of battery. :)


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Why shop Lenovo ThinkPad T400 battery with us?

  1. New + Long life cycles
    All Lenovo ThinkPad T400 batteries we offer are Brand new, never refurbished. They are 100% compatible with original battery, and has no memory effect. The batteries can handle over 500 full charge/discharge times.
  2. Better service and great battery warrenty
    Batteries we provide includes a full 1 year warranty. And we offer 30 day unconditional money back guarante and fast shipping on all of our IBM/Lenovo batteries.
  3. Bottom Price from factory
    We deliver the Lenovo ThinkPad T400 battery replacement from factory directly. And we offer 30% dicount to all batteries now, the price would be much lower than other shops.
  4. Secure Shopping Guarantee
    The Secure Shopping Guarantee protects you while you shop at ebuybattery, so that you never have to worry about Paypal account safety. When shopping at online, you can shop with confidence.
  5. 100% compatible with original Lenovo ThinkPad T400 battery

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