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Windows Powercfg reports reveal battery wear and energy drains
Windows’ built-in Powercfg utility can help laptop owners check battery condition and identify power-efficiency issues. Its reports can make it easier to spot a battery that may need replacing, especially when a laptop is charging slowly, shutting down unexpectedly or showing signs of a swollen battery.
Run Terminal as an administrator and enter `powercfg /batteryreport` to create an HTML report showing the battery’s design and full-charge capacities. Dell advises replacing a battery when its full-charge capacity falls below 40 per cent of its design capacity. The `powercfg /energy` command takes 60 seconds to check power use and produces a report that can identify apps or devices contributing to drain.
In short
- Powercfg creates reports on laptop battery health.
- Compare full-charge capacity with design capacity.
- Dell advises replacement below 40 per cent capacity.
Read the full article at the source →
Originally published by Engadget as “This built-in Windows tool can diagnose your PC’s battery health”.