Properly charging a laptop battery is essential for maintaining its longevity, capacity, and overall performance. The first step is to use the original charger provided by the manufacturer, as third-party chargers may have incorrect voltage or current ratings, which can damage the battery or reduce its lifespan. Most modern laptops are designed to handle continuous charging, but it is advisable to avoid leaving the battery at 100% charge for extended periods, especially when the laptop is plugged in for long hours. Many manufacturers recommend keeping the battery charge between 20% and 80% for daily use, as this range minimizes stress on the battery cells. This can be achieved by adjusting power management settings in the operating system to stop charging once the battery reaches 80% and start charging again when it drops below 20%. It is also important to charge the battery at room temperature (around 20-25°C), as extreme temperatures—both high and low—can significantly degrade battery performance. Charging in a hot environment increases internal resistance and causes faster capacity loss, while cold temperatures slow down the charging process and may prevent the battery from reaching full capacity. Avoiding heavy usage, such as gaming or video editing, while charging is another best practice, as this generates additional heat and strains the battery. If the laptop will not be used for an extended period (e.g., several weeks), it is recommended to store the battery with a charge level of 40-50% in a cool, dry place to prevent deep discharge, which can permanently damage the cells. Regularly calibrating the battery—by fully charging it, then discharging it to around 5% before recharging—can help the laptop’s battery gauge accurately display the remaining capacity, ensuring reliable performance.

Read recommendations:

emergency portable power station supplier

The Technological Revolution of Flow Energy Storage Batteries

PB300US

PB1000UK

NK01 All-in-one