While fast charging is extremely convenient, it can noticeably accelerate battery wear over time. This conclusion has been highlighted by experts, according to BGR.

Why Fast Charging Can Harm the Battery

The main risk factor is heat. The higher the charging power, the more heat the battery generates during charging. Constant exposure to elevated temperatures accelerates the degradation of the battery’s chemical components, reducing its capacity and shortening its overall lifespan.

For comparison, a standard 5W charger typically takes around three hours to fully charge a smartphone while generating relatively little heat. In contrast, chargers rated at 65W, 120W, or higher dramatically reduce charging times but place a much greater thermal load on the battery.

Another important factor is charger quality. Using cheap or non-original chargers and cables can result in unstable power delivery, voltage fluctuations, and additional overheating, all of which can further accelerate battery degradation.

How to Minimize the Impact

Experts recommend several simple precautions:

  • Use original or high-quality certified chargers from reputable brands.
    • Avoid charging the phone in hot environments and prevent excessive overheating.
    • When possible, use slower charging overnight or whenever rapid charging is unnecessary.
    • Pay attention to room temperature and charge the device under comfortable indoor conditions.

In Brief

Fast charging can accelerate smartphone battery wear because it generates more heat during the charging process. The use of low-quality or non-original chargers can make the problem even worse. To extend battery lifespan, experts recommend using reliable charging accessories, avoiding overheating, and opting for slower charging whenever speed is not essential.