Electronic Refrigerant Charging Scale RCS-7010 1.charging, recovery, weighing. 2.LCD display. 3.battery power ... of commercial A/C, auto A/C, refrigeratory systems.RCS-7010 0-70KG range of weight, units: kg, lbs, +-0.5 ... , about 30 hours continuous use.Portable plastic case packed. RCS-7010 Electronic Refrigerant Charging Scale