Have bought a new Sony DSC W150 camera. This includes a "standard" battery that is ok, but can not display the remaining battery life. Therefore, and especially to have battery backup time on vacation, I have the Sony NP-FG1 InfoLithium Ion bought as an additional second battery of G-series battery. This will last longer in practice and this is now my "main battery" become. Works fine and long. My conclusion: Who does not skimp on the camera, and a perfect battery should not refuse. Too bad that Sony has this battery is not as original equipment in it.