Can I use a Type-C cable for charging my laptop to charge my phone?

Suddenly, this concern crossed my mind. The cable type I have for charging my laptop is precisely Type-C. So, is it safe to charge my smartphone with this laptop Type-C cable? Today, we will directly explore this curiosity.

Can a Smartphone be Charged with a Laptop's TypeC Cable?

Nowadays, most charging cables support the Type-C standard. This means Type-C is commonly seen and usable for charging everywhere ~ So, is it possible to charge both laptops and smartphones with it? Would there be any issues? Before we delve into that, let's briefly understand what a Type-C cable is.

What is a Type-C (TypeC) Cable?
Type-C cable, also known as USB-C, is a new form of USB interface, different from the conventional USB or mini USB. Its main feature is the ability for reversible connection. That is, it can be connected in any direction, offering convenience. Being able to use it without worrying about which side is up is very handy. Also, Type-C cables can be used for fast charging and even transmitting video, among other advantages.

So, Is Charging Possible if the Types Match?

Ultimately, can a USB-C cable used for charging laptops be used for charging smartphones as well? The answer is "possible, but with caution." This is because the USB-C standard is generally unified.

Charging is Possible! But What Should Be Cautious About?

Just because it's possible doesn't mean caution isn't needed. Charging is feasible, but several aspects should be noted and heeded. Let's explore a few below.

The Lenovo charger I use. You can see the charging voltage and current if you look closely

Firstly, the power output of the charger differs
Laptop chargers typically deliver higher power, and the instructions for these Type-C chargers and cables specify to use only indicated products. In other words, if a smartphone cannot handle the high power provided by a laptop charger, it could be problematic. However, most smartphones have an automatic power adjustment feature, so it usually isn't a big issue. That is, of course, if this feature works correctly!

Secondly, if the cable quality is low
Not all USB-C cables guarantee the same quality. Especially with low-cost, non-certified cables, care is needed as they can damage your device. Personally, I think cables are one of the components that are more prone to failure. Ideally, it's best to use products guaranteed for quality, like cables from the device manufacturer or certified third-party manufacturers.

Being aware of such cautionary aspects is the safest way to charge! If the power adjustment device of the smartphone to be charged is fixed, then it could be a significant problem. The most concerning issue could be the smartphone receiving too high power and damaging the internal battery. Additionally, not all USB-C cables are perfectly compatible with all devices, so checking compatibility with the intended device is the safest approach.

In Conclusion

That's all about the possibility of using a laptop charging cable for smartphones. As mentioned above, while charging is possible with the same standards, the necessity of caution remains unchanged.

Finally, let's briefly summarize! The summary would be as follows:

• USB-C cables are compatible with most smartphones and can charge them.
• Although there is a difference in power between laptops and smartphones, most smartphones can adjust to it.
• Using certified cables is a safe way to prevent damage to the device.
• Low-cost, non-certified cables can damage the device, so their use should be avoided.