Our brand new 4000 mH(11.1V, 6 cells cell) replacement Lenovo are made with high quality cells ( SANYO, BAK, SAMSUNG etc.), lasting as long as the original battery did. All of our Li-ion replacement batteries for Lenovo have been tested and proven to match and/or exceed original battery performance and 100% compatible with Original Manufacturer Specifications. Every piece of battery for Lenovo Laptop has been tested on Dell systems to ensure the safety for your Lenovo laptop.
This high quality rechargeable battery for Lenovo T420s T420si T430s T430si is designed with the highest control standards; have internal circuit boards with smart chips ( Cell imbalance shut off protection, Thermal runaway protection, Overcharge shut off protection, Over discharge shut off protection, High/low temperature shut off protection ), and are made from eco-friendly materials without lead or mercury. Every replacement Lenovo battery has been Certified by CE, UL, ROHS, ISO9001/9002 and has passed strict safety tests. Long lasting, this extended 6 cells Lenovo battery can be charged/discharged for more than 500-600 cycles.
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!!