Batterytec&reg; Laptop Battery for HP ProBook 440 G1, 440 G0, 445, 445 G0, 445 G1, 450, 450 G0, 450 G1, 455, 455 G0, 455 G1, 470, 470 G0, 470 G1, HSTNN-IB4J, HSTNN-LB4K,HSTNN-UB4J, HSTNN-W92C, HSTNN-W93C, HSTNN-W94C, HSTNN-W95C, HSTNN-W96C, HSTNN-W97C, HSTNN-W98C, HSTNN-W99C, HSTNN-YB4J. [10.8V 4400mAh 1 Year Warranty] Battery Type: Li-ion, Cells: 6-cell,Capacity: 4400mAh; Voltage: 10.8V. 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12 months Warranty without problems. Class A cells provide fast loads and low power consumption, chip protection offers both security and stability.