Egoway New Laptop Battery for HP CA06 CA06XL ProBook 640 645 650 655 G0 G1 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z Battery type: Li-Polymer; Capacity: 5200mAh; Cells: 6-cell; Voltage: 10.8V. 100% New from Manufacturer, High Performance; HP ProBook 640 G0 / G1, 645 G0, 645 G1, 650 G0 / G1, 655 G0, 655G1 Series Replacement Battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Direct warranty from Manufacturer. Warranty: 12 Months warranty, 24 x 7 email support.