CAP-XX Ltd Supercapacitors

CAP-XX Ltd is a globally recognized manufacturer specializing in the design and production of advanced supercapacitors, also known as ultracapacitors. The company has developed a strong reputation for engineering thin, prismatic supercapacitors that deliver high power density in compact form factors, making them ideal for modern electronic devices where space and performance are critical considerations.

The CAP-XX product portfolio includes single-cell and dual-cell supercapacitors, with offerings spanning small-capacity devices for energy harvesting applications to larger units capable of supporting peak power requirements in demanding environments. Their supercapacitors are widely used in applications such as wireless sensor networks, asset tracking, smart meters, wearable electronics, automotive subsystems, and backup power for memory and real-time clocks. With approximately 120 products in their catalog, CAP-XX provides solutions that bridge the gap between batteries and conventional capacitors, offering rapid charge and discharge cycles, extended operational lifespans, and reliable performance across wide temperature ranges.

3J LIMITED is a trusted distributor of CAP-XX supercapacitors, providing engineers and procurement specialists with convenient access to the manufacturer's complete product range. Through 3J LIMITED, customers can source genuine CAP-XX components with reliable supply chain support, technical documentation, and competitive pricing for both prototype development and volume production requirements.