A fast charging method that can bring a battery to or close to full charge within 1 to 5 hours. This is commonly used for traction batteries that require a quick full charge in a short time. Normal charging typically takes around 10 to 20 hours. The challenge of achieving fast charging without compromising the battery's performance and lifespan has become a hot topic in research.
Fast charging technology for mobile phones is now widely adopted by manufacturers. As people rely more and more on their phones throughout the day, running out of power has become a major inconvenience. Gamers especially desire quick charging so they can get back to their games faster. Hence, fast charging technology is gaining increasing attention! In this article, I’ll summarize some key knowledge about mobile phone fast charging, including the different technologies available—perfect for your reference!
Tools/Ingredients
Fast-charging mobile phone
Method/Steps
Overview of Mobile Phone Fast Charging Technology
Currently, mobile phone fast charging technology is mainly divided into two categories: low-voltage fast charging and high-voltage fast charging. There are four main types of fast charging technologies: OPPO’s VOOC Flash Charging, Samsung’s Fast Charge, Qualcomm’s Quick Charge, and MediaTek’s Pump Express.
1. 5 Minutes for 2 Hours – OPPO’s VOOC Flash Charging Technology
There are generally two approaches to increasing charging speed: increasing voltage or current. While raising voltage can generate more heat and potentially damage the battery, it's not ideal. On the other hand, increasing current is safer and more practical. VOOC technology uses a low-voltage and high-current approach to ensure safe and efficient charging.
The actual performance of VOOC flash charging is impressive. In just 30 minutes, a 3000mAh battery can be charged up to 75%, and 5 minutes of charging is enough to provide 2 hours of usage. This makes it one of the most popular fast charging solutions on the market.
Some models that use VOOC flash charging include: OPPO R7s, OPPO R7, OPPO R7 Plus, OPPO Find7, OPPO R5, OPPO N3, and OPPO U3.
2. Qualcomm Quick Charge 2.0
Qualcomm Quick Charge 2.0 is an improved version of Quick Charge 1.0, featuring higher efficiency through simultaneous increases in both voltage and current. To protect the battery from potential damage caused by high voltage, Quick Charge 2.0 includes a special chip. It also adds a dedicated IC to prevent older devices from being damaged by excessive current during charging.
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