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Windows CMD · Windows Command Line

powercfg — Append output

Append command output and errors to an existing log. Base task: Generate a Windows battery report.

Copy-ready commandpowercfg — Append output
powercfg /batteryreport >> command-results.txt 2>&1

Requirements and permissions

Requirements
Windows 10/11 or Windows Server
Permissions
Varies by command
Last reviewed
2026-08-01

Examples

Append output

Append command output and errors to an existing log.

powercfg /batteryreport >> command-results.txt 2>&1

Common errors

Command or option not supported

Confirm the installed platform version supports the base command and the added output or wrapper option.

Access denied or insufficient privileges

Run with the administrative role or delegated permission required by the underlying command.