Repair a 5473 mAh battery in the keyboard section of a the 15" model Microsoft Surface Book 2 or 3.
Battery health 2 how to#
Once you’ve got your battery, check out our free laptop repair guides for instructions on how to perform the swap. Depending on the model of your laptop, these can range anywhere from $30 to $75, which is a small price to pay for getting a few more years out of a multi-hundred-dollar computer. You can buy replacement batteries in the iFixit parts store for a number of Windows laptops. If your battery’s health has degraded to the point where you’re cursing yourself every time it drops to zero, you can restore its original longevity by replacing the battery.
You can also scroll all the way down to the bottom of the document to see what Windows estimates your battery life to be in hours, though this obviously depends on a lot of factors (like whether you’re browsing the web, watching videos, or playing games), so don’t take it at face value. On my laptop, the battery can currently hold about 45,007 mWh of its original 48,944 mWh capacity, which means it has about 91% of its health left. You’ll see the full charge capacity on the left, in mWh, and the battery’s initial capacity on the right. Scroll down to the Battery Capacity History section, and view the last entry in the list. It’s a simple HTML file, so just double-click it to view the contents. This will generate a report that you’ll find in your user folder at C:\Users\. Then type the following command and press Enter: Click the Start menu, search for “PowerShell,” and click on the PowerShell option that appears. Windows doesn’t make this information as easily accessible as, say, the iPhone does, but you can still find it with a simple command from Windows’ PowerShell terminal. Here’s how to check your battery’s long-term health in Windows and macOS. If you’ve had your laptop for a couple years, there’s a good chance the battery doesn’t last as long as it used to.
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