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Batterybar Pro 3.6.6 Full -

In Preferences → Calibration → click Reset maximum capacity → then perform the above discharge/charge cycle.

Warning: Frequent full discharge wears Li-Ion batteries. Calibrate only when needed. BatteryBar Pro 3.6.6 Full


The Pro version includes a graph that visualizes your battery capacity over time. This allows users to spot trends, such as sudden drops in health or irregular charging cycles, which can indicate hardware issues. In Preferences → Calibration → click Reset maximum

Removes driver and all logs unless you manually delete %APPDATA%\BatteryBar. Warning : Frequent full discharge wears Li-Ion batteries


Solution: Calibrate your battery (see Step 5 above). Also, close background apps that cause sudden discharge spikes (e.g., Windows Update, antivirus scans).

HKCU\Software\Osiris Development\BatteryBar\