Since the late 19th Century, Nikola Tesla has
showcased the capability of wireless charging. He demonstrated the power of
magnetic resonant coupling, which involved transmitting electricity through the
air by creating a magnetic field between a transmitter and a receiver. But
since this was one of the most primitive stages of wireless charging, it didn’t
have any practical applications, apart from making electric toothbrushes work.
The technology has evolved dramatically since
then, and wireless charging today now has several practical uses. Smartphones,
laptops, kitchen appliances, automobiles can now be charged without cables.
Pros & Cons of Wireless
Charging
Just like every tech innovation in history, wireless chargers
face different challenges. A lot of people are unaware of the advantages and
disadvantages of cable-free charging. A lot of misunderstanding still surrounds
issues about charging time and whether charging mats are compatible with
different devices, for instance. Read on to find out the pros and cons of this
innovative tech below.
Pros: Why People Use Wireless
Chargers
There are various reasons why people love
wireless charging. They offer unique solutions at home or the workplace that
make life easier.
Convenience
People choose wireless chargers because of
their convenience. All you have to do is place your phone on the charging mat
and it immediately begins to charge. Just like its wired charger counterparts,
wireless chargers also portable which means that you can charge your phone
wherever you are. Wireless charging stations have even started showing up at
coffee shops, hotels, and restaurants so people can charge their gadgets while
having a quick bite.
Energy Efficiency
Wireless chargers have an auto-off feature.
When your device is fully charged, it automatically switches off. Because of
their energy efficiency, you can charge your phone safely without worrying
about overheating or damaging your batteries.
Security
Be wary of plugging your phone into an unknown
cable—it could, after all, be host to viruses that could infect your device.
Thankfully, wireless chargers are free of this threat: you can charge your
smartphone on a charging mat in a hotel, restaurant, and public space without
worrying about infecting it with malware.
Ubiquity
Wireless technology offers an extra supply of
power. There’s no need to bring a large backup battery. You can simply place
your device onto the charging mat and let it charge for a few hours. Soon
enough, charging mats will be as ubiquitous and accessible as Wi-Fi.
Less Cables
Wireless charging are less cumbersome because
they are cable-free. It only uses one cable for the charging mat. And because
you don’t have to deal with wires, you’re reducing clutter on your desk and
car, as well. Reducing your use of cables can also prevent wear and tear of
your charger and gadget.
Compatibility
Qi has created a universal wireless charging
standard, which supports all smartphones. This makes it possible to use one
charger for devices from different manufacturers, such as Apple and Samsung. So
regardless of whether you’re an iPhone and Android user, you can still use the
same mat for charging. Some furniture companies are following suit and designing
their products with wireless features so charging mats won’t be necessary
anymore.
Cons: The Current Problems of
Wireless Charging Technology
If learning about wireless tech teaches us
anything, it’s that it is far from perfect. There are current issues that these
chargers still face and need to address to improve further. Some of the
downsides of opting for the wireless route include:
Longer Charging Times
Wireless charging offers convenience but this
comes at the expense of a slow charging time. Compared to wired charging, it
usually takes 30 to 80 percent longer to fully charge your smartphone on a
wireless charging mat. Take note that the placement of the device on the mat
can affect how long it takes to charge so make sure it’s placed there properly.
Full-time Charging
When you’re charging from a wireless mat, you
won’t be able to use your phone. The device needs to be placed on the mat the
whole time, which means you have to wait until the batteries are fully charged
before using it again.
Expensive
Though people would pay for convenience,
wireless charging is a little pricey. Wireless chargers can cost between 40 to
100 dollars, depending on the size of the unit.
What’s Next for Wireless
Charging?
There’s still room for improvement in the way
wireless charging mats work. The next step is for wireless manufacturers to
figure out how to make them more efficient. And there have been various
discoveries in the field of wireless charging recently: a reports shows that increasing
the amount of energy is possible by interfering with the waves used
to charge devices from a distance.
Wireless charging tech is more than just a
mere fad or a lofty pipe dream—it is here to stay. As the years go by, wireless
charging has improved significantly, making it so much easier to power our
devices. And in today’s world, our gadgets are a crucial part of our lives.
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