Battery Health
Check capacity and cycles
Laptop Battery Health Tester
Diagnose your battery capacity, cycle count, and see estimated replacement options.
Run Battery Diagnostics
Web browsers restrict direct access to hardware cycle counts. Please use the instructions below to get your data, and we will analyze your health and replacement costs.
Windows Users
1. Right-click Start, open Terminal/PowerShell
2. Type: powercfg /batteryreport
3. Open the generated HTML file in your folder to find Design Capacity and Full Charge Capacity.
Mac Users
1. Hold Option (⌥) and click the Apple menu
2. Select System Information
3. Click Power on the left side to find your Cycle Count and Full Charge Capacity.
Battery Information
Your battery health is excellent.
| Model Type | -- |
|---|---|
| Charge Cycles | -- |
| Design Capacity | -- |
| Current Capacity | -- |
| Est. Time to Replace | -- |
About this tool
This is a free browser-based diagnostic tool provided by ay5uh.com to help you test and troubleshoot your hardware. It runs entirely on your device with no installation required.