HYTA 6Cell 57Wh Laptop Battery For lenovo Thinkpad 70+ T410 T420 T430 T510 T520 T530 0a36303 45n1001 45n1003 45n1004 45n1005 Battery Type: Li-ion, Cells: 6-cell,Capacity: 5200mAh/57Wh; Voltage: 10.8V; Color: Black. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection. Premium Grade A cells ensures peak performance and reliability. A genuine HYTA product comes with 1 year warranty. Recognize the real product markings. Beware of imitation, fake and poor products. (HYTA have no responsibility on the imitation product purchased) 24 x 7 email support; 12-month hassle-free warranty. Fulfilled by Amazon.