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• Rated Voltage: 12V / 24V ( Auto Switch )
• Rated Current : 30A
• Max Input Solar Panel Power: 840W , Connect 24V Battery ( Connect 12V Battery, Max solar Panel Power: 420W )
• Open Voltage of Solar Panel : ≤ 50V
• Over-charging Protection : 13.8V / ( 27.6V )
• Low Voltage Disconnection / LVD: 10.7V / ( 21.4V )
• Low Voltage Reconnected / LVR: 12.5 V / ( 25V )
• No Load Loss: ≤ 30mA
• Loop Voltage Drop: ≤170mV
• Charging Mode: PWM mode
• Temperature Compensation: -4mV / Cell / °C
• Installation Cable area: ≤ 7# AWG (16 mm² )
• Operating Temperature: -10 ~ 60 °C
• Storage Temperature: -30 ~ 70 °C
• Humidity Requirements: ≤ 90% , no condensation
• Dimensions: 90 x 188 x 48 mm
• Mounting Hole Spacing: 60 x 178 ---φ5 mm
• Weight : 370g
• Colour: Black

• CM series controller is a kind of intelligent and multifunctional solar charge controller. These serial products adopt customized LCD display screen, which makes the operation on the interface rather convenient. All the controlling parameters can be reset flexibly to satisfy your different needs. CM series controller has the following features.
• Visual LCD graphic symbol
• Brief key operation
• Grade auto switch of system voltage
• Intelligent PWM Charging Mode
• Auto temperature compensation
• Adjustable charging & discharging parameter
• Settable working modes of loads
• Accumulative function of charging & discharging AH
• Protection for battery back discharging
• Protection for battery low voltage
• Overloading & short-circuit protection
• Battery reversed protection
• Delayed auto restart after overloading protection
• CE & RoHS Certification