How Much Electricity Is Used To Charge A Phone

Most of us own mobile phones, which ordinarily demand to be charged at least once per day. Even then, many of u.s.a. get out our phones to charge overnight, or forget to unplug the chargers when they're not in utilize. Well, if your latest electricity bill was higher than you expected, you will exist happy to know that your phone charging habits aren't at fault.

Canstar Blue has crunched the numbers and found that charging your mobile phone uses a miniscule amount of electricity compared to other devices and household appliances. If you lot're looking for ways to reduce your electricity usage, your mobile phone charger is pretty depression on the listing of culprits.

How much does it cost to accuse my phone?

Completely charging your telephone volition cost you anywhere from 0.2c to 0.35c. Mobile phones accept a very small chapters and only require around v to 15 Wh of electricity to accuse – depending on the telephone model and its bombardment capacity.

To illustrate, the popular iPhone half dozen has one of the smallest battery capacities compared to competing flagship models. With its 1810 mAh capacity, it simply costs 0.2c to fully charge. If we assume that phone is completely charged once a solar day for 12 months, then the electricity costs are… a mere $0.73.

And so since charging your phone literally costs a fraction of a cent, don't feel bad for charging your phone at a friend'due south house… unless that friend is stingy to an unfathomable degree.

The cost of charging your phone

Telephone model	Battery capacity (mAh)	Electricity usage to 100% charge (Watt hours)	Cost in cents
iPhone 7	1960	vii.45 Wh	0.21c
iPhone six	1810	vi.9 Wh	0.2c
Galaxy vii	3000	11.4 Wh	0.33c
Huwaei P9	3000	11.iv Wh	0.33c
Xperia XZ	2900	11 Wh	0.32c
LG G5	2800	10.6 Wh	0.30c
Oppo R9	2850	10.8 Wh	0.31c
HTC 10	3000	11.iv Wh	0.33c

Calculations assume 28.7c/kWh usage rate

What do phone chargers cost when in that location is no phone continued?

Unused mobile phone chargers are a source of phantom load, also known as standby power and vampire power. This refers to situations where a device consumes electricity despite no ane using it.

We're all guilty of occasionally leaving unused phone chargers plugged in, but the good news is that information technology'south costing you lot about nothing. While electricity however passes through an unused charger, most telephone charges detect when a device is disconnected and reduces its voltage accordingly.

The amount of electricity that passes through an unused charger will once again vary, but most agree that it just uses between 0.i and 1Wh. That means it's only costing you between around 1c to 10c per year.

What if I leave my phone on charge when I become to bed?

charging phone

Many of us put our phones on charge before bed, and then we wake up to a 100% phone battery, ready to get on with the solar day. About phone charges detect when a phone has reached its maximum capacity and will respond by reducing its voltage appropriately to avoid wasting electricity and damaging the phone.

Once your phone dips from 100%, the charger will automatically superlative it back up. Information technology'south hard to pin signal the verbal amount this will price y'all as information technology largely depends on the life and condition of your phone battery. Since the phone is but periodically charging however, it can plainly exist inferred that it'south costing less than if the phone were constantly beingness charged.

Every bit a side annotation, you should avert charging a telephone that'southward already charged wherever possible. While information technology sometimes can't exist helped, doing this increases the rate of battery deterioration.

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Can charging a phone in my automobile impale my car battery?

No – or at least not in reasonable circumstances. Equally we take maintained through this article, charging your phone uses miniscule amounts of electricity, not virtually plenty to drain a car battery in whatever timely manner.

To illustrate this, a standard 40 Ah (Amp hr) automobile bombardment holds effectually 400 – 500 Watts of electricity. If you lot charge a Galaxy 7 in a automobile that'southward switched off, then it would take at least 35 hours for your phone to drain the car battery (with the artificial supposition that the phone never hit 100%).

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Original Author: Brendon O'Neill