Battery Type: Li-ion (Lithium-Ion)

Voltage: 11.1V / 10.8V

Capacity: 4400mAh / 47Wh (6-Cell Layout)

Condition: Brand New (Premium Grade AA Replacement)

Model Name: HP 6520S / 6530S Series

Compatibility: HP Business Notebook 6520, 6520p, 6520s, 6530s, 6531s, 6535s Series.

Part Numbers: 451085-141, 451086-121, 451545-001, 456623-001, HSTNN-DB51, HSTNN-OB51, HSTNN-IB51, HSTNN-CP01.

Warranty: 6 Months Replacement Warranty.