TecMate OptiMate Pro-1 DUO Battery Charger And Maintainer The TecMate OptiMate Pro-1 DUO transcends mere charging, emerging as an indispensable lifeline for batteries. It's engineered with advanced features like smart recovery and battery test indication, ensuring optimal performance. This maintainer reinvigorates batteries from the edge of failure and upholds their peak condition, making it an essential device for both garage enthusiasts and professional shops. Features: DUO technology for 12 V lead-acid and 12.8 V lithium batteries Push button BMS (Battery Management System) reset, smart recovery mode for deep discharged batteries, power supply function for tuning/diagnostics, automatic fast new battery activation and battery test indication Charging amps: 0.4A to 10A variable (Ampmatic) Charging volts: 12V lead-acid: 0.5V to 22V. 12.8V/13.2V Lithium LFP (LiFePO4): 0.5V to 14.4V Powersupply: 11V to 13.6V Indoor rating Ip40 Global input (100-240V 50-60Hz), high efficiency Selectable operation 11-step program Includes OptiMate bar hanging hook