![]() ![]() SEE: Windows 10 power tips: Secret shortcuts to your favorite settings (TechRepublic Premium)įirst, you can easily check on your battery’s current charge. Let’s check out how to generate a battery report in Windows. Using the command-line tool powercfg, you can generate a report with the battery name, manufacturer, serial number, chemistry, cycle count, and usage history. But you can also find greater details on your battery charge and battery history. Windows offers you a quick view of your battery status in the Taskbar so you can see how much percentage and how much time are left on your current charge. For more info, visit our Terms of Use page. This may influence how and where their products appear on our site, but vendors cannot pay to influence the content of our reviews. We may be compensated by vendors who appear on this page through methods such as affiliate links or sponsored partnerships. Learn how to dig up lots of data on your battery with a handy command built into Windows. If you have other methods to check when to know if the laptop battery went bad and it needs to be replaced, let us know in the comments below.How to check your battery status and history in Windows If the Last Full Charge number falls below 50% in relation to the Design Capacity, it is probably the time to replace the laptop battery. ![]() So what you want to do here is to plug your laptop in for a good 12 hours, make sure that it is a full charge as possible, take another report and see where is at. one year or two years), you’ll notice that the Last Full Charge number will start decreasing and that essentially is saying that your battery is not lasting as long, or you are not charging it to its full capacity all the time. The higher the Last Full Charge is to the Design Capacity, it means that your battery is doing OK, after a period of time (e.g. There you will see two numbers the Design Capacity and Last Full Charge. We are going to focus in one parameter, look for Battery: Battery Information - scroll down the page and it will be almost at the end –. In the energy report you can find very useful information like: Errors, Warnings and Informational messages, all related to energy. Double-click to open the energy-report.html in your default web browser.Ĥ. This command will initiate a diagnose, observing the system behavior, which it takes about one minute, then it will dump all the information collected to a file named energy-report.html that it will be located in your C drive.ģ. From the Windows Command Prompt type powercfg -energy. Go to Start, in the search box type cmd, right-click it and select Run as Administrator.Ģ. This tool is more commonly used by manufactures and developers to create drivers, but it can be easily used by anyone and it can provide really useful information and more importantly is information that we can use to determine if it time to replace the laptop battery.ġ. Now it also includes a command-line tool called Powercfg that can help you to analyze your system for common energy efficiency and battery life problems. Windows 7 does a great job managing power consumption, preserving and extending battery life, in comparison to previous versions. Yes, there are little things that we can do to try to preserve and extend as much as possible the battery life and save energy, but the time will come when you need to get a battery replacement. ![]() If there is one thing that all laptops have in common, no matter which operating system they may be running, is the problem with battery life. ![]()
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