50Wh Batterytec&reg; Battery for HP CM03 CM03XL, HP EliteBook 740 G1, 745 G1, 745 G2 Series, 840 G1, 845 G1, 850 G1, HP ZBook 14 G2, 15U, HSTNN-IB4R HSTNN-DB4R 716723-271. [11.1V 50Wh, 12 Months Warranty] Battery Type:Li-Polymer, Cells:3-cell, Capacity: 50Wh; Voltage: 11.1V. 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.