ISE CleanTech Inc., a wholly-owned subsidiary of ISE Ltd., signed a five-year exclusive supply agreement with Optare UK Ltd, effective June 21. ISE secured its initial order for 66 ISE Ultra-E ES Systems with 22 systems to be delivered in 2010.

Optare, a manufacturer of electric and hybrid-electric vehicles, designs, manufactures, and sells single-deck and double-deck buses and mini coaches and offers comprehensive post-sales service via operations throughout Continental Europe, North America and elsewhere.

ISE's Ultra-E ES System is one of the most advanced energy storage systems available on the market today, according to the company. Included in the technology design is an intelligent battery management system that actively monitors each cell. The system is fully integrated with the following features:

• Thermal management through active-liquid cooling.

• Pre-charge isolation management.

• High voltage and current sensing.

• Main contactors.

• System diagnostics and prognostics.

• Environmentally sealed to IP67 / IP6k9k specifications.

This robust feature set enables ISE's Ultra-E ES Systems to interface with a range of high duty cycle applications around the world such as mining, heavy-duty trucking, rail, and smart grid energy/power management systems.