Differences in Dash Charging and Quick Charge 3.0 Explained

Differences in Dash Charging and Quick Charge 3.0 Explained

While other smartphone technologies such as the processor, RAM, and display undergo frequent updates, battery technology remains stagnant, particularly in terms of the mAh per gram ratio. On average, a smartphone battery lasts no longer than a day. Consequently, manufacturers have focused on reducing charging times since they are unable to improve battery life significantly.

Thanks to various charging techniques, smartphones can now charge faster than ever before. OnePlus recently introduced a charging technique called Dash Charging, which can charge a phone from 0-60% in just 30 minutes – an impressive feat. In this article, we will explore how Dash Charging works and compare it to Qualcomm’s Quick Charge technology.

Did you know:

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Dash Charge and Qualcomm Quick Charge: Same, Yet Different.

Dash Charging differs from Qualcomm Quick Charge in terms of how it works. Smartphones today all rely on Lithium-ion batteries which can be rapidly charged when they are fully drained or have a low battery level.

Differences in Dash Charging and Quick Charge 3.0 Explained

Later, when the battery is charged to around 60 to 70%, the charge is slowed to keep the battery safe. Dash Charging and Quick Charge work on the same principle, but there’s a little difference in their operation.

According to the Power law equation, Power (P) = Voltage (V) * Current (I). Therefore, increasing any one of them will increase the power.

While Qualcomm Quick Charge uses high voltage (5V/2A, 9V/2A, 12V/1.67A) to quickly charge the device, Dash Charger uses high current (5V/4A) to deliver it. How is the high voltage and charge delivered? We will discuss it in the next section.

Keep Calm and Take Take All that Power

Now we know that either the high voltage or the current feeds the Lithium-ion battery, but not directly. Things need to be controlled to avoid damaging the phone or causing it to explode.

Differences in Dash Charging and Quick Charge 3.0 Explained

Qualcomm uses a special circuit in the phone to manage voltage flow, while Dash Charger has the controlling circuitry in the wall charger. This is the reason why phones heat up more during Quick Charging than during Dash Charging. Dash Charging transfers most of the processes to the adapter, preventing the heat from reaching the OnePlus 3. Therefore, Dash Charger is safer than Qualcomm Quick Charge.

Comparing the Charge Time

When comparing the charging time of Dash Charging on the OnePlus 3 with the Qualcomm Quick Charge 3.0 on Xiaomi Mi 5, the results were shocking. Here’s a chart of the charging time comparison we performed.

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Differences in Dash Charging and Quick Charge 3.0 Explained

The initial 60% were too quick on Dash Charging, about double Quick Charge’s speed. However, after 80%, Dash Charging reduced and Quick Charge caught up. Still, OP3 Dash Charge reached 100% in 72 minutes, while QC 3.0 was only at 87%.

Additionally, the OnePlus 3’s temperature was 32 degrees Celsius at room temperature, while the Mi 5 was slightly hotter at 38 degrees Celsius.

Chargers and Cables: They Matter a Lot

Quick Charge certified chargers are available for charging your phone. Qualcomm provides a list of Quick Charge compatible phones and adapters. It is not necessary to use the stock wire for compatibility, as Quick Charge is connector independent.

Differences in Dash Charging and Quick Charge 3.0 Explained

In OnePlus 3, a user needs the supplied cable and charger to use Dash Charge. A car charger can be bought for $30, but you still need the stock charging cable. Other USB type-C cables won’t work as they are not compatible with the high current supplied to the device.

So Which One Do Your Like More?

I have used both Quick Charge 3.0 on the Mi 5 and Dash Charging on OnePlus 3, and I preferred the OnePlus 3 experience. Quick Charge 3.0 delivered fast charging but wasn’t as quick as Dash Charging and caused the phone to overheat. Dash Charging utilizes 5 safety measures and temperature regulation to prevent overheating. The only downside of Dash Charging is the need for a proprietary cable, but it also protects the battery. What are your thoughts on this?

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