When selecting the best super capacitor for your application, prioritize capacitance value, voltage rating, equivalent series resistance (ESR), and temperature tolerance to ensure optimal performance and longevity. According to Stratistics MRC, the Global Supercapacitor Market is accounted for $5. 08 billion in 2024 and is expected to reach $11. 0%. . Supercapacitors and ultracapacitors represent a groundbreaking leap in energy storage technology, offering a unique blend of power and efficiency that distinguishes them from traditional batteries. Unlike batteries storing charge chemically, supercapacitors rely on formation of electrical double. . This section provides an overview for supercapacitors as well as their applications and principles.