Let your laptop tell you its battery story. In this guide, you’ll learn how to generate a Windows battery health report (on Win 10 or 11), open the HTML output, and interpret data such as capacity trends, usage stats, and life estimate. We also include top recommendations to preserve your battery and extend its useful life.

Struggling with a laptop battery that dies early? This step-by-step guide reveals how to access Windows’ hidden battery health report, decode its details (design capacity, full charge, usage history), and understand when it’s time for a battery replacement. Also includes practical tips for better battery longevity.