Check Windows laptop battery health from your battery report
About Battery Health Lab
Battery Health Lab is a free browser-based tool for Windows 10 and 11 users. Upload a battery-report HTML file or enter capacity values manually to calculate reported battery health, capacity wear and cycle-count context. Reports are processed locally in the browser, with no account or software installation required. Practical guides explain battery-report sections, health percentages, replacement signs and common powercfg problems.
PlatformsWeb
LaunchedSep 6, 2026
✓ VerifiedSep 23, 2026
Key features
- Local Windows battery-report analysis
- Battery health and wear percentage
- Cycle count and capacity history
- Manual capacity calculator
- Step-by-step Windows 10 and 11 guides
Made by
Kamran Liaquat Ali
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