Battery optimizer was a nice and good software for pc which was made by reviver soft it was good for us. This software calculate and optimize all our pc and then give a result which program is running and which was closed and when how to extend battery time it was more useful and by disable non using program by this time of battery was exceed and this software was not only when calculate the time of battery is not done only we run the program it was calculate the time then pc starts and it was open with starting of pc. It was good software for our pc battery health also try this software.