Change controllor 36 volt for a 48 volt

A few have had 36v WE controllers blow, particularly when using 48v lithium. But a great many people run BL 36 controllers at 48v. Should have 63v caps in it. I run 48v nicad on one, with no problems so far. The typical 48v controller will have pretty much the same stuff in it, like 63v caps, but a 48v specific one may have a highe low voltage cutoff.