To extend your laptop's battery life, follow these tips:
Adjust your power settings to a power-saving mode.
Lower your screen brightness.
Disconnect peripherals when not in use.
Close unnecessary applications and background processes.
Keep your laptop cool and well-ventilated.
Regularly update your device's software and drivers.
Avoid overcharging and over-discharging. Try to keep your battery level between 20% and 80% most of the time.
Turn off Wi-Fi and Bluetooth when not in use.