Specification: Battery type: Li-ion Voltage: 11.1V (Compatible with 10.8V) Capacity: 5200mAh Cell: 6 Cells recharge cycles： 500 Operation time: Around 2-3 hours Compatible Models：( Ctrl + F for fast search ur laptop model) For HP ProBook 640 G0 / G1 / G0 For HP ProBook 645 G1 For HP ProBook 650 G0 / G1 For HP ProBook 655 G0 / G1 Compatible Part Numbers： CA06 CA06XL 718677-421 718678-421 718755-001 718756-001 HSTNN-DB4Y HSTNN-LB4X HSTNN-LB4Y HSTNN-LB4Z HSTNN-LP4Z.
