So why not go up to a higher voltage that would work with the existing charging infrastructure? "If we went to 300 volts, it would hurt you on every front that matters," says Zero's Senior Battery Specialist Luke Workman. "We'd have lower efficiency, lower power, higher cost, higher drive train heat – and in terms of life safety for the guys that are working on these things, you go from a nasty tickle … to dead. The majority of electric vehicles that are using higher voltages are doing so simply because they've been designed using legacy equipment. You'll see a lot more EVs going low voltage in the future."
http://newatlas.com/zero-electric-mo...ry-2015/35865/
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