Voltcraft single output 100w dc power supply voltcraft lrp 1601 the voltcraft lrp 1601 portable single output 100w dc power supply has a variable dc switched mode power supply with an 85 efficiency rating with adjustable voltage 1 to 60v dc and current 0 to 16a the power supply offers ovp over voltage protection and is suitable for use in labs education or in the hobbyist workshop voltcraft lrp 1601 single output 100w dc power supply