The Iroda SOLDERPRO is very similar to the popular pocket-sized Solderpro 50 butane powered soldering iron. The SP-50pencil shapeis 5.5″ end to end while the SP-70pencil shapeis 7.5″ end to end. The biggest difference between the two units is the wattage output and the fuel run time. The SP-50 has a wattage output between 30-70 watts and the SP-70 has a wattage output between 25-100 watts. As for the total run timethe SP-70 has a much longer run time (120 min. at mid-setting) while the SP-50 has a run time of (40 min. at mid-setting).








