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Windows 7 has a feature through which we can find out exactly how much battery you are actually getting from your Laptop battery, i.e. its efficiency, maximum charge potential.
Its a well known fact that as the age of lithium battery increases its charging capacity decreases and it wont charge to its full potential as when it’s new. We can find out exactly how much the battery of laptop is giving now.We can use the powercfg -energy to find out how health your battery is.
1. Open elevated command prompt by typing "cmd" in your start menu. & opening it with administrator privileges.
2. Type “powercfg –energy†into the command prompt & press Enter.
3. The command enables tracing for 60 seconds & would collect all the data after observing the system behavior.
4. After analysis it would generate a report.
5. The energy report is generated in HTML format in the directory shown in the command prompt.
Cmd Prompt Address\energy-report.html by default.
And in the report scroll down till some end and you will find a place where your battery details will be given like Battery id , Manufacturer , Serial no. and there will be something :
Design Capacity : some number like 56009
Last full charge : some number like 55677
Divide and get the efficiency of your battery ! ! !
My samsung n110's battery life has reduced to 88 % ! in some 3 months !
Source : http://windowsvj.com/wpblog/?s=how+healthy+your+battery+is+
Its a well known fact that as the age of lithium battery increases its charging capacity decreases and it wont charge to its full potential as when it’s new. We can find out exactly how much the battery of laptop is giving now.We can use the powercfg -energy to find out how health your battery is.
1. Open elevated command prompt by typing "cmd" in your start menu. & opening it with administrator privileges.
2. Type “powercfg –energy†into the command prompt & press Enter.
3. The command enables tracing for 60 seconds & would collect all the data after observing the system behavior.
4. After analysis it would generate a report.
5. The energy report is generated in HTML format in the directory shown in the command prompt.
Cmd Prompt Address\energy-report.html by default.
And in the report scroll down till some end and you will find a place where your battery details will be given like Battery id , Manufacturer , Serial no. and there will be something :
Design Capacity : some number like 56009
Last full charge : some number like 55677
Divide and get the efficiency of your battery ! ! !
My samsung n110's battery life has reduced to 88 % ! in some 3 months !
Source : http://windowsvj.com/wpblog/?s=how+healthy+your+battery+is+