Fast charging the OnePlus 10 Pro: SuperVOOC vs. USB-C PD

Chinese companies champion the art of charging smartphones at super-fast speeds, and this is especially true for brands under the BBK Electronics umbrella — OnePlus, Oppo, Realme, Vivo and iQOO. Of these brands, Oppo leads the R&D along with OnePlus and Realme, which use its proprietary technologies by rebranding them. Among the features that make Oppo one of the best smartphone brands for enthusiasts is fast charging.

At Mobile World Congress 2022, Oppo showcased its 240W charging technology that can fully charge a smartphone in just 10 minutes. While this blazing-fast charging technology has yet to make it to commercial smartphones, Oppo and companies under it, including OnePlus and Realme, are already launching phones with charging rates of up to 150W. OnePlus’ recently launched flagship — the OnePlus 10 Pro — supports charging up to 80W , which the company claims can charge the phone’s 5,000mAh battery in just about 30 minutes.

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In the US, however, OnePlus is leaving owners of its new top-of-the-line model with reason to regret, which is a slower charging speed than the global unit. Unlike the global model, the OnePlus 10 Pro is limited to 65W charging in the US, where it joins other flagships that skip the faster charging technologies of their global counterparts.

While there might be a slight difference between devices sold in the US and outside, there’s one caveat to keep in mind: the OnePlus 10 Pro’s dependence on an official charger. Since the smartphone uses Oppo’s proprietary SuperVOOC technology, it doesn’t charge at the maximum supported charging speed — 65W in the US and 80W globally — with any third-party charger.

What happens if you’re out and about and leave your OnePlus SuperVOOC charger behind? We will find out by comparing the charging speeds of the OnePlus 10 Pro when using SuperVOOC 80W, SuperVOOC 65W and USB-PD.

SuperVOOC 80 W vs. 65 W on the OnePlus 10 Pro

The OnePlus 10Pro comes with an 80W charger in the box in all locations except North America. That’s because Oppo’s proprietary SuperVOOC 80W charging technology isn’t compatible with the typical 110V to 120V power supply in the US, Canada, Mexico, and countries in Central America, South America, and Asia that rely on the standard.

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Charging with SuperVOOC 80W

We start the charging speed test for the OnePlus 10 Pro using the SuperVOOC 80W charger and record the charging speed between 5% and 100% capacity on the 5000mAh battery using the Battery Log Android app. Results are recorded at an ambient temperature of 30 degrees Celsius (86 degrees Fahrenheit), while the app also records the battery’s internal temperature.

OnePlus 10 Pro charging speed display with battery percentage and temperature over time when using 80W Super VOOC fast charging.Image used with permission of the copyright holder

In our test, the OnePlus goes from 5% to 50% battery capacity in just 15 minutes. It takes another 12 minutes to reach 80%, and more minutes to collect the remaining 20%, for a total of 37 minutes to reach 100% battery capacity using the 80W SuperVOOC charger. The results are in line with OnePlus’ claims of charging the battery from 0% to 100% capacity in 32 minutes. The slightly longer charging time is a result of deviations from the perfect laboratory conditions used by OnePlus and Oppo to test charging speeds, as well as our higher ambient temperatures.

The OnePlus 10 Pro reaches 50% charge in just over 15 minutes with SuperVOOC fast charging.

Speaking of temperature, the internals of the OnePlus 10 Pro are at 41 degrees Celsius (106 degrees Fahrenheit) at the start of our test. The temperature rises rapidly, reaching 45 degrees Celsius (113 degrees Fahrenheit) around the 30% mark in less than five minutes. However, after this point, the temperature begins to drop and falls below the 40 degrees Celsius (104 degrees Fahrenheit) threshold just as the charge is nearing completion. At the end of the test, the battery temperature is 38 degrees Celsius (100 degrees Fahrenheit).

Charging with SuperVOOC 65W

An 80W SuperVOOC charger came bundled with my OnePlus 10 Pro review unit. So I used the Oppo 65W charger which relies on the same basic charging technology as the OnePlus. The company claims that there is only a slight difference between the charging times of both chargers; the 80W charger takes 32 minutes (under ideal laboratory conditions), while the 65W charger takes 34 minutes to go from 0% to 100%. It’s unlikely that a user will notice any significant difference between the two in real life, especially since we rarely drain our phones’ batteries completely before recharging them.

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OnePlus 10 Pro charging speed display with battery % and temperature over time when using 65W Super VOOC fast charging.Image used with permission of the copyright holder

During our 65W SuperVOOC charging test, the OnePlus 10 Pro took just 13 minutes to go from 5% to 50% battery charge. Surprisingly, this time is less than what the OnePlus 10 Pro took when using the included 80W charger. The phone takes another 11 minutes to reach 80% charge, meaning it takes a total of 24 minutes to go from 5% to 80 % of battery capacity. It reaches 100% two minutes faster than an 80W charger. This is confusing.

Turning to battery temperature to explain this anomaly in our readings, we realize that the OnePlus 10 Pro reaches its peak battery temperature of 45 degrees Celsius (113 degrees Fahrenheit) in just one minute of charging, i.e. around 18% battery after starting at the same temperature as in the previous section. The OnePlus 10 Pro’s battery fluctuates between 43 degrees Celsius (109 degrees Fahrenheit) and 45 degrees Celsius (113 degrees Fahrenheit) until the phone reaches 85% battery, after which the battery temperature plummets as it rushes to finish charging in 35 minutes.

The vague difference between SuperVOOC 80W and 65W on the OnePlus 10 Pro doesn’t matter.

Although the 80W and 65W charging standards require almost the same charging time, the 80W proved slightly slower in our tests. The only possible explanation for this is the sudden spike in temperature that we notice between 20 and 30 minutes. This could be due to a sudden increase in processing load due to a background process. Otherwise, you can expect both charging technologies to last almost the same amount of time.

USB-PD on OnePlus 10 Pro

After testing the fast charging capability of the charger in the package, we start with the assessment of how quickly the OnePlus 10 Pro can be charged with widely accepted chargers. This test measures the time it takes for a OnePlus flagship to charge using the widespread, generic USB Type-C charging standard — USB Power Delivery or USB-PD. It is commonly used on smartphones and laptops and allows up to 100 watts of bandwidth.

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Brands like Samsung and Motorola rely on USB-PD instead of a proprietary charging standard to add fast charging capabilities to their smartphones. Meanwhile, companies like Xiaomi have added support for fast charging via USB-PD on devices — such as the Xiaomi 11i HyperCharge — that also support their proprietary charging standards. OnePlus and its sister companies, in contrast, lack support for superfast charging via USB-PD. The OnePlus 9 Pro was limited to 18W charging via non-OnePlus chargers via USB-PD despite supporting 65W fast charging using OnePlus chargers. The disparity seems to continue on the OnePlus 10 Pro.

OnePlus 10 Pro charging speed display with battery percentage and temperature over time when using USB PD Power Delivery.Image used with permission of the copyright holder

During our test using the Ugreen 100W GaN charger that supports USB-PD up to 100W, the OnePlus 10 Pro took exactly 1 hour and 30 minutes to go from 5% to 100% battery charge. It finished charging to 50% in just under 40 minutes, and took over an hour to reach 80% after starting on 5% battery.

Fortunately, the temperature doesn’t deviate much from the 40 degrees Celsius (104 degrees Fahrenheit) mark while using the USB-PD.

This result proves that OnePlus is once again abandoning democratic charging standards such as USB-PD in favor of its own proprietary technology. This means that you will have no choice but to keep the dedicated charger for the OnePlus 10 Pro and carry it with you wherever you go. Unfortunately, the 65W and 80W SuperVOOC chargers don’t support fast charging on devices like the Samsung Galaxy S22 Ultra or laptops, including the Dell XPS or various MacBook models that charge via USB-C. This means you’ll have to lug around different chargers for different devices.

Final thoughts

The OnePlus 10 Pro, despite its software flaws, wowed us like every other OnePlus device in the past. However, limited charger support and lack of compatibility with a wider range of charging standards makes it prone to falling behind options like the Galaxy S22 Ultra. Granted, some users will be able to benefit from a number of OnePlus fast charging stations that can be seen at several airports. Still, it leaves room for disappointment, even for loyal OnePlus fans who commute daily, travel a lot, or have multiple charging devices at home.

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