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How to Monitor Laptop Battery Health Over Time in Python

Log battery percentage, power status, and remaining time every N seconds to a JSON file using psutil for ongoing health monitoring.

psutil battery monitoring

Python

import time
import json
from pathlib import Path
from datetime import datetime

try:
    import psutil
except ImportError:
    print("psutil required: pip install psutil")
    exit(1)

LOG_FILE = Path("battery_health_log.json")

def monitor_battery(log_interval=60, duration=300):
    """Log battery percentage and rema…

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