Cap-XX manufactures ultra-thin, high-performance supercapacitors for energy storage and power delivery across aerospace, industrial, medical, and renewable energy applications. Products stabilize grids, capture renewable energy, and buffer demand spikes.

Where is Cap-XX located?

Cap-XX is headquartered in Łódź, Poland.

What energy sectors does Cap-XX operate in?

Cap-XX operates in Energy Storage.

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Cap-XX

Łódź, Poland

Energy Storage

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About

Cap-XX is a renewable energy company headquartered in Łódź, Poland specializing in Energy Storage.

Cap-XX designs and produces supercapacitors combining fast response, high power density, and extended discharge capabilities. Their ultra-thin, nano-structured supercapacitors serve portable devices, industrial sensors, aerospace systems, and renewable energy infrastructure. Products deliver up to 100× more capacitance than standard capacitors and operate across extreme temperature ranges (-40°C to +70°C). Applications include grid stabilization, renewable energy capture, kinetic energy recovery, backup power, voltage smoothing, and motor support. Supercapacitors offer unlimited charge cycles, instant energy delivery, and can extend battery life in hybrid systems.

supercapacitorsenergy storagepower deliverygrid stabilizationrenewable energyaerospaceindustrialhybrid systems

Headquarters

Łódź, Poland