NinjaBattPro Battery CM03XL for HP 717376-001 EliteBook 850 845 840 750 745 740 G1 G2 Series Zbook 14 15u 716723-271 716724-421 CM03 CO06XL - High Performance [50Wh/11.1v]

Was disappointed to find the weight of the battery no where near the same as the OEM one, suggesting that the capacity isn't as advertised.The other thing that was frustrating was the retention clips failed on installation, meaning there was nothing to hold the battery in. Both clips popped off - very poorly built in comparison to OEM.Better buying from manufacturer for a better quality and longer lasting battery

Great product. Purchased a cheap one off ebay hoping it would be fine but it died within a few weeks. This is abaolutely great ,so far so good. They even extend your warranty if you register it.

Battery life poor, very disappointed

Battery has been good so far with no issues, very happy.

Works great!