Sun YOBA MPPT Solar Controller 10A 12V/24V Upgrade Version of Tracer1210RN-Tracer1210A with LCD Display TracerA series MPPT Solar controller is an upgraded version controller of Tracer RN serices(Tracer1210rn, Tracer 2210rn, Tracer 3210rn and Tracer 4210rn). Multi-function LCD displays system information intuitively .User programmable for battery types, load control etc. Advanced MPPT technology.High tracking efficiency no less than 99.5%.Peak conversion efficiency of 98% . Ultra-fast tracking speed .Accurately recognizing and tracking of multiple power point . 3-Stage charge with PWM output .Common positive grounding design . RS485 port with industrial standard MODBUS open architecture .Fully programmable function via PC software or remote meter