Qualcomm Quick Charge™: get the facts

Fast charging technologies are becoming increasingly common, and Quick Charge is one of the most frequently used. Qualcomm® Quick Charge technology powers your devices faster than conventional charging, allowing you to spend less time connected to outlets. Learn how it works and how to keep your devices safe when fast charging.

Another popular form of fast charging is USB-PD, you can learn more about USB-PD, here.

WHY QUICK CHARGE

THE BENEFITS OF QUICK CHARGE

When paired with compatible devices, a Quick Charge-enabled charger delivers more power, allowing the connected device to charge faster. As one of the most widely used of the fast charging technologies, Quick Charge is already in many of your favorite smartphones. If your smartphone is Quick Charge 3.0-compatible, you can charge up to 80% in just 35 minutes.*

To futureproof your chargers, each new Quick Charge generation is backwards compatible, meaning it will work with the generations that came before. In addition, Quick Charge 4+ is expected to work with USB Power Delivery, enabling Quick Charge accessories to fast charge a wider array of devices.

*Charge up to 4 times faster than conventional 5W chargers. Based on Qualcomm® Quick Charge™ internal tests charging a 2750mAh fast charge battery (1.5C charge rate) and using the maximum power for a thermal limit of 40C for all charging implementations. Charge time based on 0% to 50% (August 2015).

THE EVOLUTION OF QUICK CHARGE

While smartphone designs have evolved to utilize higher capacity batteries alongside larger screens, USB charging was limited to 5V and 1.5A (7.5W). Quick Charge 2.0 was introduced in 2014 to overcome this limitation by enabling supported devices to accept a higher charge level when paired with a Quick Charge compatible charger. Quick Charge has continued to evolve, making the charging process even faster and more efficient, while ensuring a safe charge that protects battery life.

Quick Charge 3.0 was introduced in 2015 to sustain high power delivery for charging while also making sure that power transfer was as efficient as possible. The latest evolutions, Quick Charge 4 and 4+ will be universal, allowing them to work with any fast charging-enabled device.

^*Charge up to 4 times faster than conventional 5W chargers. Based on Qualcomm® Quick Charge™ internal tests charging a 2750mAh fast charge battery (1.5C charge rate) and using the maximum power for a thermal limit of 40C for all charging implementations. Charge time based on 0% to 50% (August 2015).
^**Based on internal tests charging a 2750mAh fast charge battery and using the maximum power for a thermal limit of 40° C for all charging implementations. Charge times based on 0% to 50% utilizing 2017 charging implementations (September 2016). Certain Qualcomm ® Snapdragon mobile platforms are designed to allow devices to support 50% battery life with 15 minutes of charging. Charging speed dependent on device capabilities. Actual results may vary depending on device design.

IS YOUR DEVICE QUICK CHARGE-ENABLED?

To ensure you are getting the most optimized charging experience possible, make sure your device and charger are both Quick Charge compatible. You can also check here if your accessory is Qualcomm Certified.

QUALCOMM

Explore Quick Charge compatible devices >

WHY QUICK CHARGE CERTIFICATION MATTERS

Always look for the Quick Charge logo when buying an accessory for your Quick Charge-compatible device. This certification ensures that the charger meets Qualcomm’s standards for performance and safety. With a charger that’s not Quick Charge certified, there’s increased risk of shorting or overheating, which can damage both your device and charger.

Your charger may get warm while powering devices, but if it’s certified Quick Charge compatible, there’s nothing to worry about. These certifications mean a series of safety measures have been taken. A controller chip regulates the flow of electricity to your battery, ensuring there aren’t any dangerous spikes in the current while temperature and voltage controls keep your charger running within safe parameters.

COMPLIANCE WITH LOCAL STANDARDS FOR SAFETY.

In addition to Quick Charge certification, it’s important to make sure your charger is compliant with all local regulations. These differ from country to country where regional testing labs confirm compliance.

QUICK CHARGE AND YOUR BATTERY LIFE.

Charging a battery is one of the factors that affects its life. After hundreds of charging cycles, a device’s battery life will shorten, no matter what charger you are using. Quick Charge includes Battery Saver technology which is designed to get the longest useful life possible from your device’s battery.

THE BELKIN DIFFERENCE

Thoughtfully Designed, Rigorously Tested and Backed by a Powerful Warranty

As a leader in technology for over 35 years, Belkin is a brand you can trust. Our Quick Charge accessories are designed on-site in Los Angeles, California and produced with quality control checks. Unlike other third-party manufacturers, Belkin has 100% control, from concept to production. This allows Belkin to provide more stringent quality control and compliance testing throughout the design and manufacturing process.

Smart Engineering

Belkin Quick Charge chargers are built to last and designed with safety in mind. Thoughtful details like using a larger transformer and thermal glue improve heat dissipation and keep components from vibrating.

Rigorously Tested

Quality you can count on, Belkin Quick Charge chargers are fully certified and compliant with Qualcomm Quick Charge and tested to ensure dependability. Every charger is held to higher thermal standards than those required by regulation and each port is tested 3,000 insertion/exertion cycles vs. the USB standard of 1,500.

Connected Equipment Warranty

A robust warranty covers the charger and will repair or replace devices that are damaged while properly connected to the charger.

LEARN MORE

Cheat Sheet

Qualcomm Quick Charge

Quick Charge 2.0 and Quick Charge 3.0 are widely used fast charging technologies created by Qualcomm. Found in popular devices, such as Samsung Galaxy smartphones, they have been designed with advanced safety features that keep your charger and connected devices safe from overheating and short circuiting.

USB-PD

Another popular fast charging technology is USB-PD. You can learn more about USB-PD, here.

Fast Charging for iPhone

A fast charging technology designed by Apple to power iPhone X, iPhone 8 Plus and iPhone 8 up to 50% in 30 minutes when using a Lightning cable with an Apple 29W, 61W or 87W USB-C Power Adapter or comparable third-party USB-C power adapter that supports USB Power Delivery (USB-PD). Apple Fast Charge protects the charger and iPhone from risks like overheating and power spikes.

mAh

mAh stands for Milliamp Hours and quantifies the energy storage capacity. It is based on how long a battery will last when power is drawn constantly, e.g. a 2000 mAh battery will power a device drawing 100 mAh for 20 hours

Volts

Short for voltage, volts indicates the pressure at which information is sent. When there is high voltage, a smaller wire can be used, allowing for more compact devices and accessories.

Amps

Short for ampere is a unit of current. If the amps are a hose, then voltage is the pressure at which water passes through the hose. The more amps, the less voltage is needed to transfer data.

Watts

Watts are a measure of electrical power.

Charge Controller

Charge controller, also called charge regulator or battery regulator prevents overcharging and can protect against overvoltage that reduces battery performance and lifespan.

Optimal Charging

The fastest possible charging for the connected device is optimal charging.

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