Currently, charging a cell phone is essential to people’s lives, although the cell phone does not consume much power each time it is charged, but the frequency of charging the cell phone is high, in other words, the cell phone needs to be charged almost every day, so calculating the amount of power that needs to be consumed by charging a cell phone with a cell phone charger is very important to you, and this is conducive to the rational planning of your home’s electricity consumption, which in turn saves your home’s electricity bill.

First of all, in order to calculate how much power a cell phone charger uses to charge a cell phone, you need to know the charging wattage of the charger, which usually varies from cell phone to cell phone, the following are the most common cell phone models on the market and the charging wattage of the cell phone:

It can be seen that the charger wattage of common models on the market is basically between 20watt-70watt, in order to know how much the charging wattage of your cell phone charger is, you can get specific information about the charger wattage from the manual of the cell phone charger, of course, if the manual of the charger is lost, you can also get the charging wattage of the cell phone charger from the information sheet of the power adapter on the cell phone charger.

Next, you need to know the battery capacity of your cell phone, which is an important parameter that determines how long it will take for the phone charger to fully charge your phone. You can find the battery capacity of your cell phone in the About this phone section of your phone’s settings.

The battery capacity of common cell phones on the market is generally between 4500mAh-5500mAh, and according to relevant data, a 40W cell phone charger will take about 1h to fully charge a 5000mAh cell phone.

After knowing the above key information, you can calculate how much power it takes to charge your cell phone with a cell phone charger. Assuming that your cell phone is charged once a day, the amount of power consumed by the charger to charge your cell phone for one month = the number of times it is charged per day x the amount of time it takes to fully charge your cell phone each time x the amount of power consumed by the charger x 30, and substituting this into the data yields a monthly power consumption of 1.2kWh.

1. How much solar energy system can save you money on electricity?

Solar power system is the current choice of power supply equipment for many families, you should know that the energy source of solar power is completely free, to calculate how much solar power system can save you the electricity cost of cell phone charging, you need to know your local peak sunshine hours and the type of solar power system in your home.

For example, if you have a grid-tied solar system (which is what the majority of households choose), the conversion efficiency is around 95%, and assuming that you are in an area with 5 hours of peak sunshine, you can calculate how big a solar system you need by using the following formula:

The amount of power consumed by the phone charger to charge the phone / the energy conversion efficiency of the grid-connected solar system / the peak sunlight hours in your area / 30 = 8 watt photovoltaic panels, which shows that the solar panels are fully capable of powering your phone, you can build a 2kW solar system, and the excess power can be used to power other electrical devices in your home.

2. What are the ways to reduce the cost of charging your cell phone with a cell phone charger?

2.1 Use a compatible charger

Choosing a charger that is compatible with your cell phone is an important way to ensure the highest charging efficiency. If you use a charger that is not compatible with your cell phone, the charging time will be much longer, which in turn will result in more power needed to fully charge your cell phone, and the electricity bill will increase. Therefore, in order to prevent the above from occurring, it is recommended that you are best advised to use the charger that is officially equipped with your cell phone, as it is the safest way to do so.

2.2 Turn off the phone screen

When you use your phone charger to charge your cell phone, if your cell phone screen is running, there is no doubt that your cell phone is consuming power at this time, which requires your cell phone charger to take a longer time to fully charge your cell phone, which will consume a better amount of power, so this practice is not desirable, so it is better for you to turn off the screen of your cell phone or turn off your cell phone directly when your cell phone is charging.

2.3 Clean the charger port regularly

When there is dirt in the charger port, the resistance of the charger will increase during the charging process, which will lead to lower charging efficiency of the charger, and then make the charging time longer, which will naturally increase the electricity cost. Therefore, you can use a special brush to clean the dirt regularly, and of course, when you are not using the phone charger, installing a protective cover on the charger’s connector will be a good method.

2.4 Choosing to charge your cell phone at night

Usually, at night, when electricity consumption is at a low point, the price of electricity is the lowest in a day, you need to plan the use of your cell phone’s power, and then charge your cell phone at night, in this way, you can save a sum of money on the electricity bill.

3. Summary

Charging your cell phone with a cell phone charger is an essential part of your life, and by understanding the formula for calculating the amount of electricity consumed by charging your cell phone and how you can save on that amount of electricity, you can save a considerable amount of money on your electricity bill, and of course, installing a solar energy system will allow you to not have to worry about that portion of the electricity bill, and if you have any ideas about this, you can always consult with your solar energy supplier, who is always ready to serve you.