Charger Check
Check your charger – wattage, battery & power flow – for macOS
See what your charger really delivers.
- Pops up when you plug a charger in or out
- Live watts, volts and amps for charger and battery
- Animated power flow: charger → Mac → battery
- Warns about weak chargers and batteries that drain anyway
- USB-C Power Delivery profiles, temperature, time to full
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