XB & XV Supercapacitors


PowerStor / Eaton XB and XV Supercapacitors are unique, ultra-high capacitance devices that feature electrochemical double-layer capacitor (EDLC) construction combined with high-performance materials. PowerStor / Eaton XB and XV Supercapacitors offer large capacitance for high energy density, a 10-plus-year operating life at room temperature, ultra-low ESR for high power density, long cycle life, and UL recognition.


  • Over a 10-year operating life at room temperature
  • Ultra-low ESR for high power density
  • Large capacitance for high energy density
  • Long cycle life
  • UL recognized
  • 300F to 400F capacitance


  • Hybrid battery or fuel cell systems
  • High pulse current applications
  • UPS/Hold up power


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