Brand New CA09 E7U22UT 718757-001 battery for HP Probook 640 G1, Probook 645 G1, Probook 650 G1, Probook 655 G1 10.8V 6600mah 9 Cell Li-Ion CA09XL E7U22AA HSTNN-LB4Z Replacement CA09 CA09XL E7U22UT E7U22AA 718757-001 718678-421 HSTNN-LB4Z Fits HP Probook 640, 640 G1, 645, 645 G1, 650, 650 G1, 655, 655 G1 10.8V, 6600mah, 9 Cell, 71Wh Brand New - Fast Shipping 6 Month Replacement Warranty if purchased from seller GreenTechLLC