Press "Ctrl + F" to find your model.
Item Specification:
-Battery Type: Li-ion
-Voltage: 10.8V
-Capacity: 4400mAh
-Condition: Li-Ion Laptop Battery 10.8V and 11.1V are in common use.

For P/N:
-CA06, CA06XL
-HSTNN-DB4Y, HSTNN-LB4X, HSTNN-LB4Y, HSTNN-LB4Z, HSTNN-LP4Z
-718677-421, 718678-421, 718755-001, 718756-001

For Model:
-HP Probook 640
-HP Probook 640 G1
-HP Probook 645
-HP Probook 645 G1
-HP Probook 650
-HP Probook 650 G1
-HP Probook 655
-HP Probook 655 G1

Note:
1) In order to get a correct battery, please kindly check your laptop's model and part number at first.
2) Our compatible list is not complete . If your laptop model is not in it or have other problems, please feel free to contact us. We shall try our best to solve it for you.

• Voltage : 10.8V ‖ Capacity : 4400mAh ‖ Cell:6
• Class A cells provide fast loads and low power consumption.
• To 500 charging cycles during the lifetime of the battery.
• Replacement Battery for HP Probook 640, 640 G1, 645, 645 G1, 650, 650 G1, 655, 655 G1
• 30-Day Money Back Guarantee, 6 Month Replacement Warranty and Lifetime Support Guarantee.

Voltage : 10.8V ‖ Capacity : 4400mAh ‖ Cell:6Batterymon