Imagine being able to power through your work day without worrying about your battery life. With our brand new 4000 mH(11.1V, 6 cells cell) replacement Lenovo battery, this dream can become a reality. Our batteries are made with high quality cells (SANYO, BAK, SAMSUNG, etc.) and are designed to last just as long as your original battery did.
At our company, we take pride in ensuring that our Li-ion replacement batteries for Lenovo match and/or exceed original battery performance. That’s why we test every single battery on Dell systems to guarantee your Lenovo laptop’s safety. The high quality rechargeable battery for Lenovo T420s T420si T430s T430si is designed with the highest control standards and internal circuit boards with smart chips that protect against cell imbalance, thermal runaway, overcharge and discharge, and high/low temperature shut off.
Not only is our battery environmentally friendly without lead or mercury, but it has also been certified by CE, UL, ROHS, ISO9001/9002 and has passed strict safety tests. With the extended 6 cells Lenovo battery, you’ll be able to charge or discharge for more than 500-600 cycles. Trust us to give you the power you need to conquer your day.
High Performance Laptop Batteries
Top Quality Battery Cells
When it comes to laptop batteries – it all boils down to the battery cells inside. Our batteries are equipped with Top A+ Grade cells which ensure quality performance.
Top Quality Battery Cells
When it comes to laptop batteries – it all boils down to the battery cells inside. Our batteries are equipped with Top A+ Grade cells which ensure quality performance.
Built To Perform
We’ve incorporated Grade A NMC battery cells to ensure longer battery life and durability
Use it anywhere you go. Get optimum performance at every stage of your life.
Compatible Part Numbers
- 45N1039
- 45N1037
- 45N1036
- 42T4846
- 42T4847
- 0A36309
- 45N1038
Fit Models
- Lenovo ThinkPad T420s
- Lenovo ThinkPad T430s
- Lenovo ThinkPad T420si
- Lenovo ThinkPad T430si
Please read the instruction carefully before using the battery for Lenovo laptop
1.) Please discharge the Brand new replacement Lenovo battery to 3% then fully charge with over 8-12 hours for the first time use, and the first 3 charge/discharge cycles are very importantly for getting max performance.
2.) Battery needs recycling frequently. It is recommended to discharge and charge it once per two months at least,in order to the replacement Lenovo battery maintain the best performance. Please discharging it to 3%, and then charging it full.
3.) If external power supply will be used for a long time, please remove the replacement lenovo battery from your laptop, which can increase battery life.
4.)It is normal for a battery to become warm during charging and discharging. If the replacement Lenovo laptop battery is not going to be used, please store the battery in a cool, dry and clean place.
5.) Never take out the lenovo battery from the laptop when charging or discharging.
6.) If the replacement Lenovo laptop battery don’t work well, please check twice to confirm that whether the battery is defective or not; if the problem still remains, please contact our customer service representative ASAP and let us know the problem in detail. We will do our best to serve you.
Original Lenovo T430s battery….Works great!!