OptiMate PRO-1 DUO. PRO series: 12 V 10 A diagnostic battery charger tester & power supply. OptiMate PRO-1 DUO the professional combination charger tester & power supply for powersport & small craft/machine professionals repair shops and battery retailers. Features Suitable for new or used 12 V lead acid (3-50 Ah) and 12.8 V/13.2 V LiFePO4 (2-20 Ah) batteries 3 choices: Choose a charging mode for 12 V lead-acid OR 12.8 V LiFePO4 or select power supply mode for battery support during vehicle diagnostics tuning or troubleshooting Automatic quick battery activation: a flashing green test light indicates that the battery is healthy and sufficiently charged Intelligent recovery mode for deeply discharged batteries a bad battery is quickly identified a good battery is charged and then retested Push button activated BMS recovery for LiFePO4 batteries Test battery indicator for GOOD (80 to 100%) OK (60 to 80%) and POOR (below 60) Power supply mode provides constant power for vehicle tu…