Voltcraft 100w single output dc power supply voltcraft lsp 1205 the voltcraft lsp 1205 100w single output dc power supply features a highly developed switched mode technology and has an efficiency rating of 85 it is slim line and lightweight in design 2kg meaning it will consume little space in the workshop or lab and can be easily transported this model has a convenient backlit 4 digit lcd display ovp over voltage protection is integrated on the outputs offering protection from pot