What are the risks of leaving a charger plugged in when empty? (Page 2 ) | April 26, 2025

Leaving a charger plugged in all the time reduces its lifespan.

Continuous heating: Even without use, a charger receives current, which generates heat and causes internal wear.
Risk of incompatibilities: Chargers that use cables or adapters from different brands are often more prone to failure and overheating.
A (small) risk of fire

Although rare, a charger left plugged in can overheat and pose a fire risk, especially if it is:

Defective,
Of inferior quality,
Ill-suited to the outlet or device it is supposed to charge.
Practical alternatives to avoid these problems

To limit the risks without having to constantly unplug your chargers, try these solutions:

Use an extension cord or an adapter with a switch. This allows you to cut off the power with one click without any extra effort.
Avoid wireless chargers left plugged in. They consume up to 30% more current than a traditional cable.
Optimize your charges. Keep your batteries between 20% and 80% to extend their lifespan.
Bottom line: a small gesture for big benefits

Unplugging your unused chargers is a simple but effective gesture. You extend their lifespan, reduce your energy bill and help protect your home and the environment.

Adopting practical solutions like an extension cord with a switch will make your job easier while providing peace of mind and long-term savings.

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