I received two of these devices. The first provided about 85 volts with no load connected, but failed within minutes of running the 90 volt DC motor. Revine sent a replacement the next day. The second block only put out 75V, the motor ran for about 10 seconds and then died. For comparison, my Leeson ESC keeps the motor running perfectly for several hours. From some of the other reviews they seem to work sometimes but there seems to be a quality control issue.
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