Laptop battery status1/7/2023 Divide the resulting number by the Design Capacity divided by 100. To calculate your batteries health, subtract the Full Charge Capacity from the Design Capacity. It is recommended to calibrate your batteries gauge every 30 discharge cycles.īe aware that battery readings are not 100% accurate and can fluctuate up and down, so if your brand new battery health is somewhat more or less than 100% or if it fluctuates up and down over time (98%, 91%, 95%, etc.), don't worry. Some laptops include a tool to recalibrate the battery gauge sensor (usually found in the BIOS), which is nothing more than a full discharge followed by a full charge. Note that due to the charging/discharging cycles, the sensor measuring the charge capacity tends to become inaccurate over time. This is normal 'wear and tear' of a battery being used. ![]() ![]() You will note that over time, the Full Charge Capacity will decrease. The Full Charge Capacity listed next represents the amount of charge that the battery received during its last full charge. The value is represented as mWh (milliwatt hours). Next listed is Design Capacity which represents the amount of a charge that the battery was designed to hold. The Chemistry for this battery is listed as LION (short for Lithium Ion). Not all batteries will list all those details. In the Installed batteries section you'll find detailed information about the battery including the model number (name), serial number, and manufacturer. For more info, you can check out this whitepaper from MSDN.Īccording to Intel, their dual-core Atom Z2760 (code name CloverTrail) is the first Intel platform to support Connected Standby. ![]() Systems that are not specifically designed for Connected Standby continue to use the traditional PC power model that is fully supported in Windows 8. Windows 8 supports Connected Standby only on low-power PCs platforms that meet specific Windows Certification requirements. And just like on the phone, the system remains connected enabling applications to stay fresh, up-to-date, and reachable whenever a suitable network is available. It provides an instant on, instant off user experience that users have come to expect on their phone. The date and time the battery report was run is also listed.Ĭonnected Standby brings the smartphone power model to the PC. Another item in this section is called Connected Standby and you can see that for this particular laptop it is listed as Not Supported. Just open the report in your web browser.Īt the top of the report, as shown above, some general information about your computer is shown, including the brand and model of the device (System Product Name), the BIOS version and date, and the operating system build number. Since we directed the command prompt to your desktop, the report will be placed on your desktop as battery-report.html. Powercfg will take a few seconds and produce a report in HTML format (battery-report.html) ![]() Next type powercfg -batteryreport in the command prompt and press Enter In the command prompt that will open, type cd %userprofile%/Desktop and press Enter Type cmd when you are at the Windows 8 Start screenĬlick on Command Prompt listed at the top of the results
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