Recently, the State Administration for Market Regulation launched a large-scale recall of power banks lacking 3C certification or with unclear labeling. Over 500,000 products were ordered to be removed from shelves due to safety hazards such as spontaneous combustion and bulging. Currently, the power bank industry is plagued by problems such as overheating, falsely advertised capacity, and significantly reduced lifespan due to some manufacturers using inferior battery cells, becoming a major pain point for the industry. Against this backdrop, high-reliability electronic components that comply with the new 3C certification standards have become the core key to determining the safety and performance of power bank products.

01 Yongming Polymer Hybrid Aluminum Electrolytic Capacitors

In the mobile smart era, where ultimate portability and long battery life are paramount, power banks have become essential digital accessories for consumers' daily travel and work. However, many power banks on the market still suffer from high standby power consumption, severe overheating during fast charging, and bulky, inconvenient-to-carry large-capacity products, which not only seriously affect the user experience but also pose numerous hidden safety risks.

Ymin polymer hybrid aluminum electrolytic capacitors precisely address industry pain points, empowering power bank products from a technological perspective and creating multiple core values:

Ultra-low leakage current, longer battery life

The self-discharge problem of power banks during idle standby often leaves users facing insufficient power when urgently needing it. Ymin polymer hybrid aluminum electrolytic capacitors boast leakage current as low as 5μA or less, effectively suppressing self-discharge in non-working states, truly fulfilling the "ready-to-use, long standby" needs of power banks and completely eliminating the problem of "phantom power."

Ultra-low ESR value, safer heat dissipation

With the widespread adoption of fast charging technology, high ripple current has become the norm in power bank use, and ordinary capacitors are prone to serious self-heating problems under such conditions. Yongming polymer-hybrid aluminum electrolytic capacitors feature ultra-low temperature rise and ultra-low ESR. Even in the high ripple current environment of fast charging, they effectively control their own heat generation, significantly reducing the overall temperature rise of the power bank during use and fundamentally reducing the probability of safety accidents such as product bulging and fire.

High Capacity Density, More Flexible Design

Balancing high capacity and portability is a major challenge in power bank design. Traditional designs, in pursuit of large capacity, often result in excessively large products, becoming a burden for users when traveling. Yongming polymer-hybrid aluminum electrolytic capacitors have achieved a technological breakthrough in capacity density. For the same volume, their capacity can be increased by 5%~10% compared to traditional polymer solid aluminum electrolytic capacitors; while maintaining the same capacity, the capacitor volume can be significantly reduced. This feature makes it easier to achieve miniaturization and thinner design of power banks, allowing users to travel without having to compromise between capacity and portability.

Conclusion

YMIN polymer hybrid aluminum electrolytic capacitor technology brings core value to mobile power supply through its higher capacity density, excellent heat dissipation performance and ultra-low leakage current. Choosing a solution equipped with polymer hybrid aluminum electrolytic capacitors is not only choosing a key component, but also choosing to provide mobile power users with a safer, more convenient and more lasting experience.