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Old 03-10-2015, 03:05 PM   #7
JohnnieB
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Join Date: Jun 2011
Location: West Virginia
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Default Re: Voltage reducer, 36 -> 18 volts

A "steering diode" is how the diode is used in the circuit rather than the device itself.

The commercially available :Battery isolators" are steering diodes packaged in a pretty box and cost an arm and leg, but a power rectifier type diodes can be used. You said the lift used about 15A, so I'd go with at least 50A diodes, with at least 100V PIV.
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