pex cost of $10,000/kWh,but just $40/kW of p pex cost of $10,000/kWh,but just $40/kW of power. This is down to very high power density (10-25 kW/kg,10-25x higher than a lithium ion battery),albeit quite low energy density (2-10 W /kg,which is 95-99% below a lithium i. Supercapacitors & Ultracapacitors are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many supercapacitor and ultracapacitor manufacturers including Cornell Dubilier, Eaton, Elna, KEMET, KYOCERA AVX, Maxwell, Vishay, & more. Please view. . es and the costs of flywheels in the chart below. Please view. . Supercapacitors & Ultracapacitors are available at Mouser Electronics from industry leading manufacturers.
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