Battery Guru displays advanced information about your battery's current state. It can be found in your menu bar. Battery Guru will display in your menu bar real-time information about how many milliamps you are using at any given time. This allows you to keep an eye on the number and can alert you if it goes too high. If it does go up, you will know that something is draining your battery faster than you should. You can also investigate the page or application and close it if you don't use it anymore. The "Smart Battery" in your computer is actually a smart battery that holds a lot of information. Battery Guru allows you to access this information, which will allow you to monitor the state of your battery and be more aware of what's going on in your computer.
One of two things can cause your battery to drain quickly:
It serves a secondary purpose: to provide information you don't usually have access too. It will show you: