Analysis: Which smartphone company offers the fastest charging technology

With so many new smartphones in our lives, it becomes really difficult to choose the one with the best features. People expect the very best of performance across all categories. A smartphone must have the highest DxOmark score for the camera, the processor should score the highest points in benchmarks and should last the longest in PCMark’s battery benchmark. But when a phone can do so much you want to make sure its ready to be used in a jiffy once the battery dies. What we are talking about is fast charging and in this article, we shall look at the fastest charging smartphones and standards currently available in the market.

Smartphones have been using fast charging for quite some time now since Qualcomm introduced their “Quick Charge 1.0” standard way back in 2013. From that point onwards Quick Charge has been one of the most popular and widely used fast charging standard available. Over the years we have got many different versions of the Qualcomm Quick Charge standard with the latest being the Quick Charge 4.0. Quick Charging is only one fast-charging standard and there are many more standards in the smartphone market like Samsung’s Adaptive Fast Charge and Motorola’s Turbo Charging. These two standards, in fact, are based on Qualcomm’s Quick Charge with some modifications.

Then you have USB Power Delivery (USB-PD) which aims to unify the charging process for smartphones and laptops and can deliver up to 100W of power (to laptops) through the USB-C port. USB-PD is used by a lot of Laptops and even the Pixel series of smartphones by Google.

The two standards mentioned above are used by multiple companies and have accessories for them widely available.

Then there a few standards that are limited to smartphones of that brand only like Oppo and OnePlus’ VOOC/Dash charging and Huawei’s SuperCharge. A custom solution allows the manufacturers to go a little wilder with their charging standards in terms of current, voltage and charger design. Till now we have seen Dash Charge and Super Charge compete with each other for the top two spots in terms of fastest charging.

The last time a fast charging list was drawn Huawei’s Super Charge technology on the Honor 10 proved to be the fastest of the narrowly beating the OnePlus 6. But, there are some new smartphones launched from both Huawei and Oppo who have once against stirred the fastest charging pot. But there are some more phones as well from the likes of Apple and Google.

Below we can see the different standards currently available today and the latest smartphones in the market which use those standards. Now to find the best you need to know the time taken by the phones to charge up all the way to a 100% from dead and their battery capacities in mAh. But if you notice not all phones have the same battery size so just using the time taken to charge as a metric to determine the fastest is flawed so we calculated how much a battery could be charged per minute. Even before we start looking at the chart, you have to admit the numbers are not going to look very good for the iPhone XS/ XS Max with their puny 5W chargers. But who will come to the top? Let us see.

Charging Standard
Battery size
Charging time (0%-100% in minutes)
Charging rate (mAh/min)
Oppo SuperVOOC Charge
Oppo Find X  Automobili Lamborghini Edition
Huawei Super Charge 2.0
Huawei Mate 20 Pro
Huawei Super Charge
Huawei Honor 10
Dash Charging
OnePlus 6
Samsung Adaptive Fast Charge
Samsung Galaxy Note 9
Qualcomm Quick  Charge
LG G7 ThinQ
USB Power Delivery
Pixel 3 XL
Apple Fast Charge
iPhone XS Max (87W Macbook charger)
Apple Fast Charge (Stock Charger)
iPhone XS Max (5W standard charger)

A look at the table and you see Oppo vigorously coming back to the top with its Super VOOC technology which involves using a much higher voltage of 10V (twice that of the previous iteration) with the same 5A of current. The higher speeds are achieved because the phones that use this technology have two batteries this helps almost half the charging time taken over any other phones and give you an unbelievable charging speed of 35 minutes for a full charge. In fact, it takes half the time as the second place winner the Huawei Super Charge. So now you know what to pick if you are in a hurry and need a quick top-up. However, the Super VOOC technology is available only in the ultra limited and exclusive Oppo Find X Automobili Lamborghini Edition (costs around  $2,000) but over time more phones will support it with the Oppo R17 Pro being amongst the first non-limited edition phone with this technology.  Rumour is that even the next OnePlus may come with this new high-speed charging mechanism, just with a different name.

Huawei’s Super Charge 2.0 technology also seems to be doing very well, bringing about a very big improvement over the previous iteration, courtesy of the new 40W charger. This will, of course, trickle down to the budget focussed Honor branded phones as well so a lot more people will be able to really enjoy the higher speeds.

But what's disappointing is that the iPhone XS Max and the Pixel 3 XL trail the competition very badly, and these are in no way budget oriented. In fact, both these phones are at the higher end of the smartphone market.

If charging speeds will impact the purchase decision of your next smartphone, do make sure to check out the latest offerings from Oppo and OnePlus.

Rajat Kapoor
Rajat Kapoor is a self confessed tech geek. Always up to date with what's going on in the tech world, he is currently pursuing MCA and prefers Android over iOS. You will see his articles here and we do hope that you find them useful and informational.
Analysis: Which smartphone company offers the fastest charging technology Analysis: Which smartphone company offers the fastest charging technology Reviewed by Rajat Kapoor on 12/18/2018 10:07:00 PM
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