What's the difference between Qualcomn Quick Charge 3.0 and 4.0?

Quick charge is a big selling point for phones today, and several companies have entered the market with names like Qualcomm Quick Charge, OnePlus Dash Charging and Motorola TurboCharging. Of these companies, Qualcomn stands out and has become a standard.

Qualcomm found that the major concern for people who are looking for a new smart phone were related to either battery capacity or battery charging speed, therefore they are aiming to utilize Quick Charge 4.0. According to their announcement, Quick Charge 4.0 can power a phone for 5 hours after a 5-minute charge. Qualcomm continues to  improve their market competitive edge and help consumers mitigate their fears.

Quick Charge 4.0 claims to extend smartphone use for flagship smartphones with the Qualcomm Snapdragon 835 chip by 5 hours with only 5 minutes of charging, going “5 for 5” according to Qualcomm. With just 15 minutes of charging time, Qualcomm claims it could quick charge a phone up to 50% battery. So how did quick charge outweigh other kinds of charging?

First, it totally changes the way of charge. Your phone is about to die and you need to get out of the house in 5 minutes. Is it possible to have the phone charged in 5 minutes? With Qualcomm quick charge 4.0 you can make it. Waiting for your phone to charge is a thing of the past. Qualcomm Quick Charge technology is designed to deliver lightning-fast charging in phones and smart devices featuring Qualcomm Snapdragon mobile platforms and processors, giving you the power and the time to do more.

Second, it takes less time plugged in, and gives more time for going out. The latest Quick Charge technology can decrease the amount of time you spend tethered to an outlet giving your device 5 for 5 — that’s 5 hours of battery life from 5 minutes of charging. Using certain Snapdragon-powered devices with a Quick Charge certified power adapter and any USB connector, including Type-C, you can refill the battery of enabled devices up to 4x faster than with conventional charging.

Compared to the prior version quick charge 3.0, Quick Charge 4 features a great amount of advancement over prior generations. Here below are few.

1. Faster Charging with Lower Temperature

You may wonder what’s new with Quick Charge 4. Well, it charges faster of course. And it’s not just faster, it’s engineered to be more efficient and run cooler than prior generations. Compared to Quick Charge 3.0, Quick Charge 4 is up-to 20 percent faster, or 30 percent more efficient, while charging up to 5° C cooler.

2. Intelligent Negotiation for Optimum Voltage

Version 3 is an algorithm designed so that your portable devices can determine what power level to request at any point in time, which allows for optimum power transfer while maximizing efficiency. New to Quick Charge 4: a compatible device can request to within 20mV or lower the specific power needed to charge while also running advanced thermal algorithms for case, battery, chip, and connector.

3. More Secure

A major improvement on Quick Charge 4.0 is the safety and protection features, with multiple additional layers of protection added to prevent battery over-charging. Quick Charge 4.0 already has existing protection steps such as the 3 layers of over-voltage protection, 3 layers of over-current protection, and 4 layers of over-temp protection. Additional features include the ability to detect the quality and condition of the cable.

In addition, there is a common misunderstanding that Quick Charge may harm the phone battery. However, the fact is that Quick Charge operates within the design parameters of batteries found in most smartphones. It is just charging the battery the way it is designed to be charged.

Device manufacturers build smartphones with a specific battery that can accept a specific level of charge. The battery size and maximum current of each battery are design decisions made by the manufacturer and can vary from smartphone to smartphone, tablet to tablet and so on.

Qualcomm Quick Charge is the first fast charging method based on the number of devices and accessories commercially available. Today there are over 100 mobile devices and 300 accessories that come with Quick Charge 2.0 and 3.0. This is based on an ecosystem of over 150 companies manufacturing phones, tablets, a wide variety of charging accessories, and more. In fact, there have been more than 600 million devices and accessories using Quick Charge 2.0 or 3.0 sold to date. The best recommendation today of Quick Charge Power banks is Zendure X6 portable charger and hub.

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