The life of supercapacitors will double for every 10°C decrease in temperature or voltage by 0.1V. Supercapacitors operated at room temperature can have life expectancies of several years compared to operating the capacitors at their maximum rated temperature. L1= Load life rating of the super capacitor (typically 1000 hours at rated temperature).
In theory, this table represents the lifetime of the supercapacitor, ranging from a little over one month of life to over 165 years! More realistic applications running the supercapacitor at full 6.0V and room temperature would achieve over 2.5 years of operation. Derating the voltage by only 0.2V will double that lifetime to over 5 years.
Therefore, how fast a supercapacitor ages and reaches its end of life is therefore largely up to the user and use case. "End of life" for supercapacitors is defined as either: ESR of 200% from the original rating. A supercapacitor is considered to be at the end of its life, whenever one of these two conditions is met.
These limits, used to determine the end of life, also apply to Cycle Life, which is how many charge/ discharge cycles the supercapacitor can complete before meeting the ESR or capacitance limits. The typical Cycle Life for EDLC supercapacitors is usually in the 100's of thousands of cycles.
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Founded in 1987 Changzhou Huawei Electronics is specialized in the production of Electrolytic Capacitors. Is ranked among the 100 TOP List of Chinese Electronic Components Enterprises and is listed on the Hong Kong stock exchange. Huawei Chang produces internally the raw material (foil) which allows to support extremely fast production lead times.
Huawei Electronics has established a global sales service network, with multiple domestic offices and foreign sales branches. Our products are exported to Japan, Korea, Indonesia, India, Turkey, the United States, Russia, Germany, Brazil and other countries.
Also, please take a look at the list of 19 supercapacitor manufacturers and their company rankings. Here are the top-ranked supercapacitor companies as of October, 2025: 1.SPEL TECHNOLOGIES PRIVATE LIMITED, 2.Taiwan Zhifengwei Technology Co., Ltd., 3.CDE. What Is a Supercapacitor? What Is a Supercapacitor?
Manufactures capacitors with emphasis on supercapacitor technologies for electric applications. Manufacturing expertise ensures large production volumes to meet demand. Focus on R&D to enhance product efficiency and market adaptability. Contributes to the energy storage market with focus on supercapacitors and integrated solutions.
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