What Is A Smart USB Charger And How To Use It Properly?
What is a smart USB charger?
A smart USB charger is a USB charger with a built-in smart chip that automatically identifies the power supported by your phone or other electronic device and intelligently distributes the right amount of current.
How to use a smart USB charger correctly?
In life, we often encounter the phone out of power, there is no original charger around, many people will bring a charger at hand, as long as the interface is consistent, will first use. In this regard, there are many people propose: chargers mixed will hurt the phone!So the question arises, different brands, different models of cell phone chargers can be mixed in the end? Charger mix will not cause damage to the phone?
In fact, there is a lot to learn. Today, I will address this issue to popularize.
In recent years, all major cell phone manufacturers have launched their own fast charging technology, different manufacturers choose different charging voltage and current, which requires an agreement between the phone and the charger to coordinate to ensure the safety of cell phone charging.
Therefore, whether the charger can be shared depends on whether the charger and the phone support the same charging protocol (PD/QC/PPS, etc.).
As for how to confirm the charging protocol of the charger and the phone, you can check the product parameters in the product manual or purchase page by yourself, and then compare whether the charging protocol supported by both is consistent. Because there are too many brands of cell phones and chargers, here is not an example.
In addition to the charging protocol, for the charger mixed problem, but also divided into the following cases to analyze.
1、High-power charger × low-power cell phone
The output current of the charger in use is related to the connected load. Genuine chargers can automatically identify the power supported by the phone and intelligently allocate the appropriate current. And the phone also has an internal circuitry automatic control system that can prevent excessive current from entering the phone.
Therefore, when charging a low power phone with a high power charger, the charger can adjust its own voltage according to the specific situation and charge the phone at a current within the safe range of the phone.
For example, if you use ZONSAN 65W GaN charger, which supports QC and PD fast charging protocols, to charge iPhone 11, which supports 18W power, then the charger will recognize that the phone supports 18W at maximum, and thus intelligently open 18W fast charging mode. If it is changed to Honor 9X which supports 10W power, the charger will adjust itself to 10W fast charging mode.
In short, with a high-power charger to support low-power cell phone charging is generally not harm the phone and battery.
2、Small power charger x high power phone
Conversely, if a low-power charger is used to support high-power cell phone charging, there may be a problem.
We know that the higher the output power of the charger, the faster the charging speed. Charging with a low-power charger will charge the phone, but it will not reach the desired charging speed.
What's more, in the process of charging a phone that supports high power, the charger needs to be kept working at full capacity all the time.
This makes it easy for the charger to get hot, which not only hurts the charger, but also speeds up the aging of the phone's battery and even poses a safety hazard. Therefore, it is not recommended to often use less than the standard power charger to charge the phone.
3, the same power, the same brand, different models
The same brand and power of the same charger, the charging technology works basically the same.
So usually, the same brand of cell phone charger, as long as the interface is suitable, the power is the same, are available for mixed use.
4、The same power, different brands
So, if the power is the same, but different brands of chargers, will cause harm to the phone?
In fact, the phone charger does not have to use the original brand, but can not be used indiscriminately. In particular, when using third-party brand chargers, in addition to pay attention to "charging protocol matching", but also to see whether the charging head, charging cable through the safety certification.
Currently, the most authoritative national certification standards in the charger industry are CE, CB, FCC, ROSH, KC, REACH and other certifications. There are also a number of third-party chargers on the market with a wealth of product certification, ZONSAN 20W fast charger as a representative of the third-party brand chargers, through the CB, KC, FCC, CE certification, charging reliability and stability than the products that have not passed certification.
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