HEV), for example, recently signed a deal with Russian's national grid operator. Yet the Wunderlich analyst doesn't see the grid business as a game-changer. "We do not believe lithium-ion batteries are going to be suitable for full-scale use in the frequency regulation on-grid market. Yes, utilities are testing the technology and it may find some limited applications, but we don't believe the technology is perfected to withstand the volume of charge/discharge cycles required to service the frequency regulation market." -- Written by Eric Rosenbaum from New York.
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