Features: 1.Industrial?grade master chip, 16 AD sampling accuracy, temperature, charging current, discharge current accurate real?time display. 2.Automatic focusing MPPT tracking charging, high charging efficiency, non?stop detection during charging, bidirectional focusing tracking. 3.Big LCD display, all adjustable parameter. 4.Three?stage charge management, effectively protect the battery. 5.Build?in short?circuit protection, open?circuit protection, reverse protection, over?load protection. Specification: Features:_x000D_ _x000D_ Industrial-grade master chip, 16 AD sampling accuracy, temperature, charging current, discharge current accurate real-time display. _x000D_ Automatic focusing MPPT tracking charging, high charging efficiency, non-stop detection during charging, bidirectional focusing tracking. _x000D_ Big LCD display, all adjustable parameter. _x000D_ Three-stage charge management, effectively protect the battery. _x000D_ Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection. _x000D_ Two-way moss tube anti-backflow circuit, high-power charging mode, ultra-low heating. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Material: ABS_x000D_ Color: As Picture Shown_x000D_ Options: 40A, 50A, 60A, 100A_x000D_ Battery Voltage: 12V 24V Auto_x000D_ Solar panel voltage: 12V, 18V solar panel, 24V, 36V solar panel_x000D_ Float charge: 13.7V(defaul,adjustable)_x000D_ Discharge stop: 10.7V(defaul,adjustable)_x000D_ Discharge reconnect: 12.6V(defaul,adjustable)_x000D_ Self-consume: