Number of Batteries: 1 Lithium ion batteries required. (included) Voltage: 11.1 Volts Compatible Devices: Laptop Item Dimensions LxWxH: 9.8 x 2 x 1.75 inches Compatible Part Numbers: MO06 MO09 671567-421 671567-831 671731-001 672326-421 672412-001 HSTNN-LB3P HSTNN-LB3N HSTNN-YB3N TPN-P102 TPN-W106 TPN-W107 TPN-W108 TPN-W109 (NOT FIT FOR HP DV6,DV7 pavilion!!) NOTE:PLEASE CHECK YOUR MODEL BEFORE PURCHASE IT. Compatible Models: Pavilion DV4-5000 Pavilion DV4-5001tu Pavilion DV4-5002TX Pavilion DV4-5003TX Pavilion DV4-5004TX Pavilion DV4-5005TX Pavilion DV4-5006TX Pavilion DV4-5007tu Pavilion DV4-5008TX Pavilion DV4-5009TX Pavilion DV4-5010TX Pavilion DV4-5011TX Pavilion DV4-5012TX Pavilion Pavilion DV6-7000 Pavilion DV6-7000ee Pavilion DV6-7000ej Pavilion DV6-7000se Pavilion DV6-7000sq Pavilion DV6-7001ax Pavilion DV6-7001ev Pavilion DV6-7001tu Pavilion DV6-7002ax Pavilion DV6-7002^