Solar PV Charge Controller With LCD Dispaly CM50-50A 12V/24V auto: 
1. Product Introduction 

CM series controller is a kind of intelligent, multi-purpose solar charge and discharge controller. The family use the fixed LCD display, with a very friendly interface; Various control parameters can be flexibly set, fully meet your various application requirements. CM series controller has following features: 
>Image of LCD graphic symbol 
>Simple button operation 
>Automatic Identification System Voltage level 
>Intelligent PWM charge mode 
>Automatic Temperature Compensation 
>Adjustable charge-discharge control parameters 
>Settable Operating mode of Load 
>Overload, Short Circuit Protection 
>Remote monitoring and control function (custom) 
>Battery reverse-discharge protection 
>Battery Low Voltage Disconnection (LVD) 
>Battery reverse connection protection 
>Accumulated function of charge and discharge Ampere hours\ 

2. Parameter: 
Model CM5024Z CM5048 
Rated current 50A 
Rated voltage 12V/24V 48V 
Max voltageof solar panel 50V 100V 
Float voltage 13.7V/27.4V 54.8V 
Low Voltage Disconnection 10.7V/21.4V 42.8V 
Low Voltage Reconnection 12.6V/25.2V 50.4V 
No load loss <30mA 
Loop voltage drop <200mV 
Charging mode PWM mode 
Temperature compensation -4mV/Cell/º C 
Installation cable area >3# AWG (<25mm² ) 
Operating temperature -20 ~ 50 
Storage temperature -30 ~ 70 
Humidity Requiremen <90, no condensation 
Size 130mm 188mm 62mm 
Mounting hole spacing 90 mm 178 mm --ø 5 
Weight 590g 
Notes: Model suffix Z represent automatic identify system voltage level 
T represent controller with remote monitoring.