In the modern era of rapid technological advancement, the functions of domestic electricity meters are becoming increasingly intelligent. With the development of network information, the traditional method of on - site electricity inspection and charging is gradually being replaced by online electricity information checking and bank payment. As a result, long - term data storage and display functions have become indispensable. Currently, most electricity meters use various batteries to power the clock chip and provide power for power - off protection. However, through the study of the characteristics of super capacitors, it has been found that super capacitors can completely fulfill this function and offer more advantages than batteries.
When comparing super capacitors with batteries, several distinct characteristics stand out. Firstly, super capacitors have an ultra - low series equivalent resistance (ESR). Their power density is dozens of times higher than that of lithium - ion batteries, making them highly suitable for high - current discharge. For example, in some emergency power - off situations, super capacitors can quickly release a large amount of current to ensure the normal operation of the electricity meter's data storage system.
Secondly, they have an extremely long lifespan. The number of charge - discharge cycles is more than 500,000 times, which is 500 times that of lithium - ion batteries and 1000 times that of nickel - metal hydride and nickel - cadmium batteries. If a super capacitor is charged and discharged 20 times a day, it can be continuously used for up to 68 years. This long - term stability significantly reduces the maintenance and replacement costs in the electricity meter system.
Another remarkable feature is their fast charging ability. Super capacitors can be charged with a large current, and the charge - discharge time is short. The charging circuit requirements are simple, and there is no memory effect. The charging process of super capacitors is a physical process of double - layer charge - discharge or a fast and reversible chemical process on the surface of the electrode material. They can be charged in tens of seconds to a few minutes, while traditional batteries take hours to complete charging, and even with fast - charging technology, it still takes dozens of minutes.
Super capacitors also have a wide operating temperature range from - 40℃ to + 70℃, which ensures their stable performance in various harsh environments. They are small in size, compact in shape, easy to install, and can save space. They are maintenance - free and can be sealed. Moreover, they can be stored in a fully discharged state, while over - discharging is harmful to many rechargeable batteries. Additionally, they are safe, convenient, and environmentally friendly, causing no harm to the environment.
Among super capacitors, coin - cell super capacitors are also gaining popularity due to their unique shape and characteristics. They are especially suitable for some small - sized electronic devices that require power backup, such as the backup power supply for the clock in electricity meters. In a typical application, for example, in the DS1302 circuit, Vcc1 is connected to the main power supply, and Vcc2 is connected to the positive pole of the super capacitor. According to different power - backup systems, different super capacitors, including coin - cell super capacitors, can be selected. This principle also enables super capacitors to be applied in circuits where the clock or data needs to be maintained, such as for single - chip microcomputers and touchscreens. In general, super capacitors are becoming an increasingly important power - backup solution in the field of electronics, bringing more convenience and reliability to modern electronic devices.
UF Capacitors is an ISO9001-certified manufacturer in China, founded in 1995. We hold military qualifications for tantalum capacitors, MLCC, and other products. Additionally, we have a UL-recognized test laboratory located at our factory site.
Our marketing position is to provide a superior alternative to first-tier brands such as TDK, Murata, AVX, EPCOS, Vishay, and Panasonic. We offer similar quality but at better prices, with faster lead times and excellent service. With extensive experience working with renowned international companies like GE, Philips, Jabil, and Flex, we have built a strong reputation.
UF Capacitors serves the consumer electronics, computing, communications, and industrial markets. As a professional Chinese electronic components manufacturer, we are dedicated to delivering high-quality electronic components, exceptional management, strict quality control systems, and excellent sales service. We strive to foster mutually beneficial partnerships and drive business growth.
UF capacitors produce PIN to PIN super capacitors to replace Eaton, Panasonic, Elna etc tier-1 brands with much better price, lead time is around 3 weeks. Here below our TOP 10 hot selling. If you are looking for reliable Chinese brands to cost down, welcome to send email to connie@topdiode.hk or call at +86 134 1674 5745, the number is also available in whatsapp.
