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I think this is intended as a relative question, so here's a relative answer that may answer the real question:
Although all (cellular) phone chargers do use a little energy when idle, it isn't a lot. The most modern chargers are excellent performers. One exception here- If the charger is warm to the touch when the phone isn't connected or charging, it is likely an older transformer type, which is larger and heavier than modern ones. Warmth=wasted watts.
If you are interested in saving energy, and the phone charger's role in saving energy, be sure to get all the "fat ducks" first- the ones that save tens or hundreds of times the amount of energy involved with the phone charger. Switch to CFL light bulbs, buy energy star appliances, heat less, cool less, drive less, insulate, weather-seal. The phone charger pales in comparison, even though you can get an impressive figure by multiplying a few Milli-watts by millions and millions of chargers.
If you are really serious about every last Milli-watt of power you use, then by all means unplug when not in use. (Do protect you outlet though, or you will have the expense of replacing it as it will wear out fast. Use a multi-tap outlet, or an extension cord, both of which are cheap to replace, or you can buy a switched outlet that plugs into the regular one.
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∙ 11y ago
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How much voltage does a phone charger use?
a lot
Why is lightning bolt a symbol for a charger?
The lightning symbols that if the naked wiring is touched you will be electric shocked, but it is mainly for the use that it could be a lightning charger, or just to show that electricity is used to make the charger charge the phone.
Do telephones use a small amount of electricity?
If your telephone came with a charger then yes it uses a small amount of electricity. This is what the charger does, it replenishes the electricity that the telephone used while not connected to the charger.
Does a fan use a charger?
No. A fan needs to be plugged into electricity to work, but it does not have a charger.
Can I use any cell phone charger for my i phone or do I have to use specifically the i phone charger?
I wouldnt recommend it. You never know wht could happen to your phone using a cheap charger or a charger that matches all phones the best bet is ordering one from apple.
How do you charge a phone?
Use a charger.
Can you use a 10v phone charger instead of using a 12v charger?
You can - but it will take longer for the phone to charge.
What is meant by portable cell phone charger?
It is a cell phone charger that you can take with you. A cell phone charger is what you use to keep your battery from dying. You will need to charge your phone once a week or so.
Use A Wireless Cell Phone Charger & Spend Less?
There are literally tons of ways that you can save money and feel good about it, but one of the less common ways to do this that not many people know about is to use a wireless cell phone charger. These chargers do not require being plugged into an electrical socket, but can charge your cell phone just as powerfully! Using a wireless cell phone charger can really cut down on electricity bill costs if an entire family with cell phones makes use of one. This can help free up more electrical sockets in the house and can cut down on electricity usage.
Does a mobile phone charger use power when the mobile phone not on it?
It depends for exaple some chargers have a light on it, that takes energy not much but it does other then that no.
What cell phone charger can you use with the psp go?
i don't think they use phone chargers.
How a Wireless Cell Phone Charger Can Save Money?
There are literally tons of ways that you can save money and feel good about it, but one of the less common ways to do this that not many people know about is to use a wireless cell phone charger. These chargers do not require being plugged into an electrical socket, but can charge your cell phone just as powerfully! Using a wireless cell phone charger can really cut down on electricity bill costs if an entire family with cell phones makes use of one. This can help free up more electrical sockets in the house and can cut down on electricity usage.
