Features 1Multiple battery types are supported such as lithium ion batteries lithium iron phosphate batteries and lead acid batteries. 2This solar charge controller has LCD backlight function easy to read in dark places simple button operation. 3Display battery power voltage current and charge and discharge status daily power statistics adjustable charge and discharge control parameters. 4The 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. 5The product is made of aluminum alloy which can improve battery life and its small size makes it easy to install almost anywhere. Specification 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 (16mm)Working Environment Temperature: -25-55Weight: Approx. 327g / 11.5oz Package List 1 x Controller1 x Manual1 x Connector Note 1. In order to prevent accidents please disconnect the solar panel battery and load from the controller in sequence when disassembling.2. Reverse connection of battery polarity will not damage the controller but it will have a safety danger to your load equipment.