evolution of chargers

From 0 to 100: Evolution Of Chargers

by Teknogeeks

EVOLUTION OF CHARGERS AND CHARGING SPEED

Introduction

The circuitry to recharge by connecting to any portable device  plays an important part in identifying the battery longevity and the practicalities of using the device on a day to day basis.

Depending upon the size, type and power the respective protocol changes like how much voltage or current, how much time will it take to get recharged, and what after the device is charged.

In 80’s from first appeared titan cell phone chargers couldn’t pump up of your cellphones to survive for a whole day which was of capacity 500mAh, weighted 495g and took upto 10 hours for full charging which was called as the classic DynaTAC and the dynamics are so drastically changed that our most recent research about the charging speed parameter benchmark quotes that the Vivo iQOO7 phone features 120W fast charging speed and its 4,000mAh battery recharges fully from 0 to 100% in just about 18 minutes without any risk .

Getting into History:

Someone who was born in the 1980s can recall life without cell phones. In contrast to smartphones like the iPhone, which are so slim that they can bend in your pocket, early cell phones were giant oversized bricks. Definitely not pocket portable. But while so many people focus on the phone itself, the chargers were equally awkward. Over the years, cell phone chargers have evolved as much as the phones they charge.

Let us get into the journey from large plastic bricks and mini chargers to solar chargers and wearables. 

The prehistoric titan – Motorola DynaTAC

As mentioned earlier the popular Motorola DynaTAC that used nickel cadmium batteries took 10 hours for the charger to recharge.

The medieval cellphone charger- Nokia Cityman

Once the Nickel-Cadmium fashion faded away the nickel metal hydride battery appeared. One of which was the Nokia Cityman 900 which took upto 4 hours to with capacity of recharge 1.000mAh.

Present

The classic and common li-ion batteries cell phone chargers – Wall Charger 

This is the very familiar one for all of us and is most commonly used, which is also called a wall charger which can be connected with either integrated cable that it comes along or to a USB cable. This charges faster, with an average charging time of only 1 hour and weighted around 100g which was considered a breakthrough in mobile charging back then.

The USB Cable

Another form of charger that we are all familiar with. It has an average charging time of 3 hours, depending on what you choose. The USB cable charger also has data transfer capabilities, which add to its versatility. The only downside is that since it is connected to a computer instead of a power charger, charging time is four times slower than a traditional charger.

When it comes to USB cable networks there is always one host and one device. The majority of the time the computer is the host and your appliance is the device. Power flows from the host to the device however data can flow freely between. A USB cable has four wires and a USB socket has four pins. The outside pins provide a 5 volt power supply in combination with the inside pins which carries the data.

Here are some types of USB cables: The type of USB refers to the physical shape of the plug.

USB Type-A: The classic USB plug that we are all familiar with, the Type-A USB is the larger standard rectangular plug. Whilst it’s gone through a number of changes to accommodate different versions of USB, the design of the plug remains the same, which means that all Type-A plugs and sockets are compatible no matter what version they are.

USB Type-B: Usually the other end of a USB cable uses a Type-B connector. The Type-B plug is the tall plug with the slanted top corners. Variations on Type-B have been widely adopted due to the sheer necessity of having smaller plugs at the client device end. The mini USB and micro USB are also variations of Type-B.

Related

Evolution Of Mobiles

USB-C: The headline feature of the USB-C is that it’s reversible. It’s designed to be small enough to not need any mini or micro variants. The intention is that it will completely replace all types of USB on both host and client devices. It is entirely different from its predecessors. The connector is universal and therefore it will work when used either way. It also outputs more power, as well as the theoretical output. There are also plenty of USB chargers that don’t fit into this specification, such as AC adapters.

  • Portable power bank

This caters to the needs of consumers who are always on the go. The portable power bank can recharge mobile phones in 3 hours, and most come with a built-in USB charger. You can choose from either a high-capacity or a low-ranked portable power bank.

  • Wireless charger or inductive charger

Wireless chargers such as the Bezalel Futura X last longer than traditional chargers and are one of the most comfortable alternatives, as you don’t need to plug and unplug the power cord. It uses inductive charging and rids you from those annoying cables and plugs. Wireless chargers refill the charge on your phone in 2 hours and typically weigh 93 grams. This technology has been around since 2013, but it hasn’t gone mainstream yet.

It is believed that by 2023, there will be a shipment of 2.3 billion wireless chargers & 6 billion wireless charging compatible phones. However, if these chargers became more practical and frictionless, no one can stop it from being the most used method for charging.

  • Solar mobile charger

As its name implies, this charger is powered by sunlight. To determine how many hours of direct sunlight you need to fully charge your mobile device, simply follow this formula: amperes per hour of the battery/amperes per hour of the charger + 10%.

  • Car charger

This comes in different types depending on the car model. Some car manufacturers like General Motors and BMW have integrated theirs with wireless charging capabilities

On the other hand, other cars charge phones the traditional way by connecting your charging cable through an adapter that re-purposes your cigarette lighter. There are also certain car models that come with a USB port that you can use as a charger. Both are powered by the car’s battery.

  • Charging kiosk 

The charging kiosk is one of the most advanced alternatives for charging your cell phone nowadays. It looks like a lifeless robot and it encapsulates a large sum of chargers for various cellphone models. The charging kiosk is very easy to operate and extremely secure, as it follows some strong security rules with passwords, secret keys and password reassu-rances. The charging time when it comes to the charging kiosk is no more than two hours, being two times faster with the optional Qi wireless charger.

  • Fast charging

Fast charging is an increasingly popular feature that allows you to power up your device in just a fraction of the time it takes to do it the old-fashioned way. But not all products use the same type of fast charging—and not all chargers support the various standards. Here’s what you need to know to make sure you’re getting the fastest charge possible.

With basic chargers outputting 5V/1A equalling to 5W of power, anything faster than that is considered quick or fast charging. The output of a charge is measured in amperage and voltage. Amperage (or current) is the amount of electricity flowing from the battery to the connected device, while voltage is the strength of the electric current. Multiplying volts by amps gives you wattage, the measure of total power.

To make a device charge faster, most manufacturers either boost the amperage or vary the voltage in order to increase the amount of potential energy. The majority of fast charging standards typically vary the voltage rather than boost the amperage.

Standard USB 3.0 ports output at a level of 5V/1A for smaller devices like wearables. Most phones and other devices are capable of handling 5V/2.4A. For fast charging, you’re looking at something that bumps the voltage up 5V, 9V, 12V, and beyond, or increases amperage to 3A and above.

Qualcomm Quick Charge: Qualcomm Quick Charge technology is the number one method for fast charging.  Quick Charge 5 is the world’s Fastest Commercial Charging Solution delivering astonishing charging speeds of up to 0-50% in five minutes while enabling new battery technology, accessories, and safety features. Quick Charge enables charging speeds of up to 0-50 in five minutes, with 100W+ charging power with our new Dual Charge technology. Charge smartphones and devices up to 10 degrees C cooler, up to 4X faster, and up to 70% more efficiently than with previous solutions. Quick Charge enables a single accessory to address a variety of charging implementations in mobile devices, supporting 250+ mobile devices and 1000+ accessories.

Conclusion

Since mobiles nowadays are so essential for human lives, not having a charged phone could be life-threatening. The global electric vehicle charging stations market size was valued at USD 39.70 billion in 2019 and is projected to reach USD 100.96 billion by 2027, exhibiting a CAGR of 23.24% during the forecast period. The electric vehicle industry is growing rapidly around the world, especially in China and the United States. Inventions in this field don’t have any limits.

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