Supercapacitors
Ultra-thin prismatic and cylindrical supercapacitors for IoT, wearables, medical, and energy harvesting applications.

Advanced Supercapacitor Technology
CAP-XX is an Australian manufacturer of thin supercapacitors that deliver high power bursts in minimal space. Their prismatic and cylindrical designs are engineered for applications requiring rapid charge/discharge cycles — including IoT devices, wearables, medical equipment, backup power, and energy harvesting systems.
Three Supercapacitor Formats

Ultra Thin Prismatic Supercapacitors
Flat form factor designed for space-constrained applications such as smart cards, wearables, and embedded IoT modules. Exceptional energy density in ultra-thin profiles.
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Small Cylindrical Supercapacitors
Compact cylindrical supercapacitors offering high power density for portable electronics, backup power, and wireless sensor nodes.
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Large Cylindrical Supercapacitors
Higher capacity cylindrical supercapacitors for industrial applications, regenerative braking systems, and UPS backup power.
View products ↗Where CAP-XX Supercapacitors Excel

Compact Electronics

Energy Harvesting & Solar

Medical Devices