Does Your Phone Charger Use Electricity When It’s Not Charging?

It’s easy to leave a phone charger plugged into the wall all day even when your phone isn’t connected. But is that charger still using electricity?

Yes, a little.

When a charger remains plugged into an outlet, it can continue drawing a very small amount of electricity even when it isn’t actively charging a device. This is sometimes called standby power or phantom power.

How Much Electricity Does It Use?

The good news is that a modern phone charger generally uses very little electricity when nothing is connected to it.

One charger probably won’t make a noticeable difference on your electric bill. But many homes have several chargers and other devices plugged in around the clock. All of that standby power can add up over time.

Should You Unplug Your Charger?

You don't have to worry if you occasionally leave your charger plugged in. But unplugging chargers when you aren't using them is still a good habit.

It can:

  • Reduce unnecessary electricity use

  • Keep your charging area less cluttered

  • Help you notice damaged or overheating chargers

  • Reduce the number of devices constantly connected to power

Another easy option is to plug several chargers into a power strip with an on/off switch. When you're finished charging, one switch can turn everything off.

A More Important Charger Safety Tip

Saving a little electricity is nice, but charger safety is even more important.

Don't continue using a charging cable or adapter if you notice frayed wires, exposed wiring, unusual heat, discoloration, a burning smell, or other visible damage. Replace damaged charging equipment rather than trying to repair it with tape.

And whenever possible, use a reputable charger designed for your device.

Grateful Guides Tip 💙

Leaving your charger plugged in isn't going to send your electric bill soaring. But unplugging chargers you're not using is a simple habit that can reduce wasted energy and keep your charging area safer and tidier.

Small technology habits can make a difference!

Grateful Guides
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Nancy Spence

Hi, I’m Nancy. In a digital age, things move fast, but your learning doesn’t have to. At Grateful Guides, I bridge the digital divide with patient, in-home help in Montgomery & Frederick County, MD. I empower you to enjoy a digital life that is safe & simple.

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