Grade A cells ensure fast charges and low power consumption;Built-in circuit protection ensures safety and stability.The battery was manufactured using lithium-ion technology, which is the latest in the world of batteries and is used very widely in laptop computers because it is characterized by its light weight, high discharge rates and provides sufficient high current to operate the device with high efficiency, and is characterized by a very high energy density. In addition, it does not It suffers from memory effect, and safety and security factors have been taken into account; So the battery comes with special protection circuits.The battery comes with a voltage of 10.8 volts, which reflects the battery's ability to charge very efficiently.The battery consists of 6 cells, which ensures that the device can be used for a longer time with high efficiency.compatiple with:Lenovo Thinkpad L410 L412 L420 L421 L430 L510 L512 L520L530 T410 (Not T410S) T410i T420 (Not T420S) T420i T430(Not T430S) T510 T510i (Not T510S) T520 (Not T520S) T410iT420 (Not T420S) T420i T430 (Not T430S) T510 T510i(Not T510S) T520 (Not T520S) T410i T5205 W305T520i W305 W530I SL410 SL410k SL510 SL530,Edge E40 E50 E420 E425 E520 E525 Series