Never leave a charger in the socket without your phone: I reveal the 3 main reasons | May 15, 2025

Who has never left their charger plugged in after disconnecting their phone? It’s a common habit, but it can have consequences, both on your electricity bill and on the security of your home. Behind this seemingly harmless gesture lie several risks: unnecessary energy consumption, danger of overheating, premature wear… Here’s what you absolutely need to know!
A silent waste of energy
The problem: hidden consumption

Even without a phone plugged in, a charger continues to consume electricity . While the amount of energy used may seem small , when multiplied by multiple chargers and devices on standby , the impact on your bill becomes significant. This “phantom consumption” can represent up to 10% of a household’s electricity consumption .

The solution: adopt the right reflexes
Unplug your charger after use.
Use a power strip with a switch to cut off power to multiple devices with a single action.
Opt for chargers with automatic shut-off , which cut off the power once charging is complete.
Risk of overheating and fire
The problem: a potential danger to your home

A charger that is permanently plugged in can get hot , especially if it is of poor quality or damaged. Over time, the heat build-up can deteriorate its internal components and, in some cases, cause a short circuit or even a fire . House fires have been caused by chargers left plugged in for too long.

The solution: prioritize safety
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