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MESHA'S Integrated Storage Technology (MIST) is a unique hybrid system that combines the best attributes of batteries (high energy storage) and ultra-capacitors (high power delivery with much less storage) for a revolutionary solution that can enable renewable energy on a global scale. The system comprises of two main components, the hybrid ultracapacitor (HUC) and the energy management system (EMS).



Developed at the Indian Institute of Science in Bangalore, India, it was enhanced, patented and commercialized by Mesha Inc. When combined with a lead acid or Li-Ion battery, the HUC can meet the needs of both power and energy density applications with quick charging and an extended life (over 100,000 charge/discharge cycles) regardless of usage patterns (day or night).

For example, in a typical 3KW microgrid system, battery replacement costs are reduced by 48%. 


The ems

Developed by Mesha Inc. to manage energy storage with the intelligence of charging and discharging the HUC and battery for different voltage levels to deliver power loads on demand. This minimizes the negative effects from solar variations by providing a smooth charging current and managing the load surges. With a high current from such a small device, storage can be reduced by 50%. In the surge region the HUC's Ah rating is 5 times the battery of the same size.

The EMS software also supports various subsystems like Charging Algorithm (P&O technique) and Maximum Power Point Tracking (MPPT), protections like short circuits, high temperature, over input voltage, over load, output low voltage and other protections as per the IS/IEC standards are handled automatically.