6 cells 4400mAh Lenovo ThinkPad X201SI excellent quality battery uses an intelligent control chip, which comes with higher performance and reliability, longer run-time and battery life. Built-in protection circuitry ensures its stability and safety, fast charge but slow power consumption.
9 cells 6600mAh Lenovo ThinkPad X201SI excellent quality battery uses an intelligent control chip, which comes with higher performance and reliability, longer run-time and battery life. Built-in protection circuitry ensures its stability and safety, fast charge but slow power consumption.
Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. The 6600mAh(9 Cells) battery will extend out about 1 inch from the back of the laptop, bigger size but lasting longer.
Strong endurance , power saver, use good cells to do laptop battery - Lenovo ThinkPad X201SI Excellent quality Battery Replacement.
Features of Our Lenovo ThinkPad X201SI replacement battery:
Each Lenovo ThinkPad X201SI replacement battery unit is made of high-quality lithium-ion cells for longer last time.
The battery is up to standard and fully compatible with original specifications.
All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.
We specialize in providing high-quality batteries. The Lenovo ThinkPad X201SI Battery has passed tests according to Security Standards to ensure battery's quality. The interface metal and solid insulators of theLenovo ThinkPad X201SI battery are made of Premium materials to ensure stable current input and durability. Round-sealed package ,faster delivery and thoughtful after-sales service will make you feel assured to purchase.
Security Technology
Multiple Protection Features, Safe and Worry-Free.
ESD PROTECTION
overheating protection
short circuit protection
CHARGING TIME PROTECTION
over discharge protection
INTELLIGENT PROTECTION
CLASS A PROTECTION
overvoltage protection
overcurrent protection
overcharge protection
ELECTROMAGNETIC
POWER PROTECTION
Product Larger Images
Compatibility
Note:
Please confirm your laptop battery and laptop model and check the appearance of the battery before placing an order. If you are not sure about your battery part number, you can contact our online customer service in time to avoid delays in your use. Regardless of any problems you encounter during the purchase process, please contact us in time and we will be happy to help you with your problem.
Compatible Battery Part Number
42T4536
42T4540
42T4542
42T4646
42T4648
42T4834
43R9253
ASM 42T4541
FRU 42T4538
FRU 42T6467
Compatible Laptop Models
ThinkPad X201SI
ThinkPad X200 7454
ThinkPad X200S 74663GU
ThinkPad X201
ThinkPad X201I 3249
ThinkPad X201I 3323
ThinkPad X201I 3626
ThinkPad X201I 3680
ThinkPad X201I 3712
ThinkPad X201I NUSKJPB
ThinkPad X201S 5442
Shipping Methods
Payment Methods
Warranty
shipping within 24 hours
After your payment is successful, we will arrange delivery within 24 hours.
30-Day Money Back Guarantee
We promise, the new Lenovo ThinkPad X201SI battery
Can be used free for 30 days, not satisfied with direct return.
1-Year Warranty
We offer a 12-month warranty to replace the Lenovo ThinkPad X201SI laptop battery! In the meantime, if your battery fails due to quality problems, we will replace it with a new one for free.
100% Security Payment
We focus on the protection of personal privacy information, and we have taken all steps to ensure that your shopping experience is safe and secure, buy Lenovo ThinkPad X201SI replacement battery with confidence!
FAQs
Q: The Lenovo ThinkPad X201SI battery has been installed several times, but laptop can't boot up?
A: Carefully check if interfaces of the computer and the battery are correctly connected.
If the cause of loose contact is ruled out, please contact the after-sales customer service to ensure that the battery part number and laptop model are matched.
Q: How to store the Lenovo ThinkPad X201SI battery if you won’t use it for a long time?
1It is not a feasible way for you either fully charge or fully discharge battery if long term storage. Security risks will generate if under a fully charged state, while both cells and control circuit protection lock will be deactivated if under a fully discharged state. So you’d be better store the Lenovo ThinkPad X201SI battery at a half fully charged state and keep it in a cool, dry place. 20 degrees Celsius is the optimum storage temperature.
2Install and run Lenovo ThinkPad X201SI battery as often as possible(at least once a month) so as to ensure its availability and avoid power drain.
Q: How to extend the life of your Lenovo ThinkPad X201SI battery?
1Please fully charge your laptop before using it for the first time. Because the Lenovo ThinkPad X201SI battery is normally shipped in a partially-charged state. Please cycle your battery pack by fully charge (more than 12hours) and discharge(less than 10%) for 3-5times to reach maximum rated capacity.
2Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the laptop usually works at a critical power level ( below 3%).
3Charge the battery before it runs to 20%. It is scientifically justified that charging battery at 20% till 80% will extend battery life to the longest.
4If your Lenovo ThinkPad X201SI battery won’t be used for a long time, please charge it once a month and keep battery power over 50%, remove it from your laptop and store it in an antistatic bag in a cool, dry place.
