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Windows battery report parser
Parse a locally selected Windows battery-report HTML file for design capacity, full-charge capacity, cycle count, and a simple health ratio.
Open testPWR / 15 min
Battery health evidence review
Combine a local Windows battery report with platform, storage, motion, and practical observation notes instead of relying on a single percentage.
0 / 4saved locally
02
Device overview
Read browser-visible screen, processor, memory, language, connectivity, and platform signals in one place.
Open test03
Browser storage and persistence
Check localStorage, sessionStorage, IndexedDB, storage estimates, and persistent-storage permission for this browser profile.
Open test04
Motion, orientation, and vibration
Inspect browser motion and orientation events and request a short vibration where the platform allows it.
Open testKNOWLEDGE
Related guides
Windows battery report explained
Design capacity, full-charge capacity, cycle count, usage history, and why one “health percentage” is not the whole diagnosis.
Read guide