1、Multiple battery types are supported, such as lithium ion batteries, lithium iron phosphate batteries and lead acid batteries. 2、This solar charge controller has LCD backlight function, easy to read in dark places, simple button operation. 3、Display battery power, voltage, current and charge and discharge status, daily power statistics, adjustable charge and discharge control parameters. 4、The charge controller provides load, over current, short circuit protection, battery over discharge, over voltage, low voltage protection, battery reverse connection protection and battery reverse discharge protection. 5、The product is made of aluminum alloy, which can improve battery life, and its small size makes it easy to install almost anywhere. 1 x Controller1 x Manual1 x Connector Item Type: Solar Charge ControllerMaterial: Aluminium alloyModel: CM3024Rated Voltage of Lead Acid Battery: 12V/24VMaximum Charge and Discharge Current: 30AProduct Size: Approx. 18.5 x 9 x 5 cm / 7.3 x 3.5 x 2 inSolar Panel Input Voltage Range: Maximum 18V-450W/36V-900WLoad Working Time Setting: 1-24 hours adjustableCharging Mode: PWMOvervoltage Protection: 17V/34VFully Disconnected: 13.7V/ 27.4VUndervoltage Disconnection: 10.5V /21VOver Discharge Recovery Voltage: 12.2V/ 24.4VNo Load loss: ≤10mACircuit Depressurization: ≤170mVTemperature Compensation: -4mv/cell/°CWiring Specification: ≤7# ANG (16mm²)Working Environment Temperature: -25℃-55℃Weight: Approx. 327g / 11.5oz