Analyzer and tester for 3.6/3.7V li-ion and NiMH batteries, with much higher accuracy than other similar chargers. Battery Voltage and Resistance Test like a multimeter. Actual Capacity Test like a small grading machine. Smart battery charger with wide compatibility, adjustable charging currents, battery life optimization charging, and built-in multiple protections. Battery Repair: 0V Activation, Eliminates Memory Effect. USB output function, with power-path management system. Human-centric design with test record function, clear LCD screen.