Maxwell Technologies Announces 3V Addition to Industry-Leading Line of Large Ultracapacitor Cells

SAN DIEGO, CA -- Maxwell Technologies, Inc. announces the newest addition to its K2 family with a 3-volt (3V), 3,000-farad ultracapacitor cell, now available in sample quantities. With 31 percent higher power than Maxwell's leading 2.7-volt, 3,000-farad cell in the industry-standard 60 mm cylindrical form factor, customers now have the flexibility to either increase available power and energy in the same volume or significantly cost-optimize their system designs with fewer cells or modules while maintaining the same power and energy.

The new 3V cell design also incorporates Maxwell's proprietary DuraBlue™ Advanced Shock and Vibration Technology to provide three times the vibrational resistance and four times the shock immunity of previous ultracapacitor-based competitive offerings, which will maximize life in demanding transportation environments such as onboard rail, hybrid bus and other applications. With the 3V cell, the transportation industry has a new way to retrofit systems to increase power, reduce engine weight and improve fuel efficiency. Additionally, grid markets will enjoy options for more available power to smooth power intermittencies and reduce costs, resulting in increased return on grid energy storage investments. Existing K2 2.7 and 2.85-volt customers can also seamlessly upgrade systems using the industry-standard 60 mm cylindrical cell format while maintaining the same life performance criteria as our 2.7-volt cells.

Maxwell ultracapacitors differ from batteries, storing energy in an electrical field that is larger than a capacitor's, giving ultracapacitors greater storage capacity. The electrostatic energy storage mechanism enables rapid charge and discharge, with the process occurring in fractions of a second. Maxwell ultracapacitors perform reliably over a large temperature range, between minus 40 degrees to 65 degrees Celsius. The devices' longevity means customers experience dependable operation for hundreds of thousands of duty cycles without the performance snags caused by shock and vibration. Maxwell cells range in capacitance from 1 to 3,400 farads and multi-cell modules range from 16 to 160 volts. The ultracapacitors deliver higher power, whether they're used with a battery or independently. Ultracapacitors are currently in use in a number of applications from automobiles to consumer electronics, transportation and more.

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