Many people leave chargers plugged in without thinking twice, but this small habit can carry hidden risks over time. An unused charger may look harmless, yet “many chargers still draw a small amount of power” even when no device is connected.

Because of this constant power flow, chargers can slowly warm up and age internally. Over time, “parts inside can weaken,” which may cause insulation to wear down or small faults to develop unnoticed.

The danger becomes greater when other issues are involved. A “low-quality charger,” power surge, or loose outlet can increase the chance of overheating or electrical failure. In rare situations, this may lead to sparks or even fire.

Daily wear can also make chargers less safe. Cords may be pulled, bent, or damaged by children, pets, or rough handling. As the article notes, “each small action contributes to wear,” gradually reducing safety.

The safest solution is simple. “Unplug chargers when not in use,” replace damaged cables or adapters, and keep outlets organized and in good condition.

A small change in routine can lower risks and help protect both your devices and your home. Sometimes the biggest safety improvements come from the smallest habits.