Battery Type: Li-ion;
Voltage: 10.8V;
Capacity: 57WH; Cells: 6-cell; Color: Black
Fit laptop models: T410 T510 T520 W510 W520 E40 E425 E520 E525 L410 L412 L420 L510 L520 SL410 SL510 50+
Battery P/N: 51J0499 57Y4186 45N1001 45N1005 42T4791 42T4755 42T4790 42T4793 42t5263 42T4801 42T4708 42T4797 42T4911 42T4733 42T4763 42T4752 42T4756 42T4765 42T4731 42T4710
100% brand new manufacturer. Our battery performance is stable and can enter more than 500 charging cycles in the entire battery life. Made of the highest quality materials, with overcharge and discharge circuit protection functions, CE- / FCC- / RoHS security and defense certification.
Warranty: 30-day refund and free replacement, 12-month warranty, if you have any questions or concerns, please feel free to contact us, we focus on providing quality power products and excellent customer service. We will be happy to help you! Please rest assured to buy!!!