The Evolution of Battery Chargers: Moving Beyond Clip-On Chargers

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Did you discover it? The once popular charging artifact, the Universal Charger, suddenly disappeared. This makes people wonder, what happened to the Universal Charger? And who invented it?

You may not believe it, but the inventor of the universal charger was actually an 18-year-old boy, Chen Tianhan. Just because he couldn't find a suitable mobile phone charger at a dinner party, an idea took root in his mind. He thought It is necessary to invent a charger that can be used for all mobile phones. Early chargers only have the function of charging, among which the most typical "Mini USB" charger and Nokia's round head charger are. Since different mobile phone manufacturers produce different models of mobile phones, the charging interfaces of mobile phones are also different, so the chargers cannot be universal. In addition, at that time, mobile phone batteries were removable, and universal chargers became popular all over the world due to their ability to charge most batteries.

Comparative Analysis: Clamp-Type vs. Connector-Type Chargers

Aspect Clamp-Type Chargers Connector-Type Chargers
Ease of Use Convenient for automotive applications, easy to clip onto batteries. Require a stable connector interface, may involve more effort to connect.
Versatility Limited compatibility, primarily used in automotive and small applications. Versatile, adaptable to various battery types and sizes.
Safety Risk of short circuits if not properly aligned or if clamps touch. Safer connections, reduced risk of short circuits.
Application Areas Predominantly automotive applications. Diverse applications including electronics, appliances, and automotive.
Size and Portability Bulky and less portable. Compact and more portable.
Efficiency May have lower charging efficiency. Generally more efficient in power transfer.
Market Presence Previously widespread, now phased out in many markets. Widely used across various industries and applications.
Cost Typically lower cost. May have a higher initial cost.

Reasons for Phased-Out Clamp-Type Chargers:

  1. Safety Concerns: Clamp-type chargers pose a higher risk of short circuits, especially in situations where the clamps are not correctly aligned or if they touch each other.

  2. Limited Versatility: Connector-type chargers offer greater flexibility and adaptability to various battery types and sizes, making them more suitable for a wide range of applications.

  3. Advancements in Technology: With advancements in charging technology, connector-type chargers have become more efficient and user-friendly, contributing to their widespread adoption.

  4. Market Demand: The market demand for safer, more versatile, and efficient charging solutions has driven the phasing out of clamp-type chargers in favor of connector-type alternatives.


Since entering the era of smartphones, universal chargers have gradually been eliminated. One of the core reasons for eliminating universal chargers is that mobile phones have begun to use non-removable batteries. At this time, mobile phones can only be charged through chargers and data cables. Charging is complete, and the core of universal charging is to remove the battery and charge it through circuit connection! Nowadays, in order to facilitate charging, there are solutions similar to universal charging, that is, a USB interface, and the other interface has a type-C interface, Lightning interface, and Micro USB interface. 

But in the coming era, there will be no need for a universal charger! Because the European Union has begun to promote one cable to replace all other complex cables, that is, a unified charging interface, which is a Type-c cable , Android and Hongmeng mobile phones. It can be said that this cable is very convenient , can revolutionize our charging methods again! The charging methods for mobile devices are actually becoming better, more convenient, and more environmentally friendly! There is no universal charger, but there are many charging solutions. Unified data cable is one way, and there is wireless charging. In many places, in public places and on campus, wireless charging equipment has begun to be made for convenience. It is convenient for everyone to charge their mobile phones or other mobile devices when they are out of power!

Which company is best for fast charging of mobile phones? "Charge for 5 minutes, talk for two hours", but it is brainwashed in everyone's mind. It not only relieves the anxiety of low battery, but also becomes a necessity in fast-paced life. So, does fast charging really not affect the life of the battery? ?

Friends who have used universal chargers know that it takes at least 3-4 hours to fully charge the battery. Long-term charging will definitely have an impact on battery life, but today’s smartphones may only take more than an hour. This is because they Most of them use lithium batteries.


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