Modern smartphones are becoming more and more powerful, and their chargers are improving every year, offering higher and higher charging speeds. However, many users often ask themselves: Is it dangerous to charge your phone with a charger that has more power than your device requires? Let's take a look at what happens when you use powerful chargers and what consequences this may have for your smartphone.
How does smartphone charging work?
First, it is important to understand how the charging process of modern smartphones works. Most modern devices use fast charging technology (Quick Charge, Power Delivery and others), which regulates the current supply depending on the needs of the device. Charger and smartphone agree between themselves the required power, and the current is supplied depending on the needs of the battery.
For example, if the charger supports the supply of current up to 30 W, but your phone is designed to charge when 18 W, charging will still occur at 18 W. Thus, potentially more powerful chargers can be used to charge devices, but how does this affect the battery and safety?
What happens when charging from a more powerful charger?
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Automatic power regulation
Most modern smartphones and chargers automatically regulate the current supply depending on how much power the device can accept. For example, if you connect a 30W charger, but the phone only supports 18W, then the phone will charge at the maximum power allowed by the phone - 18W. That is, a more powerful charger will not cause harm. -
Potential overheating
If your charger does not have a power regulation system, or the charger you are using is not compatible with your device, there is a risk overheating. Excessive power may cause unwanted thermal effect, which may happen over time reduce battery capacity and accelerate its wear. However, this applies not only to more powerful chargers, but also to any device that is not suitable in terms of power. -
High Power Charging
For those who use fast charging (Quick Charge, Power Delivery and other technologies), it is important to take into account that devices with high charging power (e.g. 65W and above) can only work with phones that support the same technology. Using such chargers with phones that do not support fast charging will not cause any harm, but the charging will be slow. However, for normal fast charging to work, it is important that both the cable is suitable and the charger meets the standards.
Risks of Using More Powerful Chargers
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Reduced battery life
Although most smartphones limit charging, this does not exclude the possibility of an increase in battery temperature. If the charger is powerful and works at maximum, the temperature may increase, which accelerates battery wear and reduces its capacity over time. It is important that the battery does not overheat, and that it is not charged at 100% constantly. -
Risk of damage to other components
Some older smartphone models may not have sufficient protection against more powerful chargers. This can lead to incorrect charging, which in turn will affect not only the battery, but also other components of the smartphone, such as board, connectors or power controllers.
How to charge your smartphone correctly?
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Use the original charger
One of the best ways to avoid charging problems is to use original chargerthat came with your smartphone or a certified charger from the manufacturer. This ensures that charging occurs safely and efficiently. -
Do not overload the device
When charging, avoid using your smartphone for resource-intensive tasks such as gaming or video calls, as this may create additional strain and cause overheating. -
Charge in a ventilated area
To prevent overheating it is important maintain optimal temperature at the charging point. This can be done, for example, by charging in a cool place and avoid blocking the ventilation openings of the device. -
Pay attention to cables and adapters
Use certified cables and adapters, compliant with USB Power Delivery or Quick Charge standards. Low-quality cables may cause loss of power, overheating or even damage to the device.
Conclusion: Is it possible to use a more powerful charger?
If your smartphone supports fast charging, then in most cases you can use higher power chargers, provided that they are certified and maintain the required standards (e.g. USB Power Delivery or Qualcomm Quick Charge). The main thing to remember is that the smartphone itself regulates the current supply, and excess power of the charger will not cause damage if charging occurs with the required power for the device.
Nevertheless, it is always important to keep an eye on overheating, choose quality accessories and charge your phone in conditions that prevent overheating.
Taking care of your device — RudService! 💡🔋
