Features 1、[Voltage Identification] The solar controller can automatically identify the battery voltages of 12V 24V 36V 48VDC, using MPPT charging method, the efficiency is as high as 98.5%. 2、[3 Stage Charging] Featuring constant current, constant voltage and floating 3 stage charging, more stable, prolong the service life of the battery. 3、[Wide Usage] This controller supports multiple types of batteries, meet the charging needs of various types of batteries of different customers. 4、[Intelligent Protection] The system is intelligently charged and discharged to avoid damage to the battery due to overcharge and overdischarge. 5、[Easy Operation] With a large display screen, intuitively display the working status, easy to operate, and the display in Chinese and English can be switched freely. Specification Item Type: MPPT Solar Charge Controller Material: Aluminum Alloy, ABS System Voltage (Battery Interface Voltage): 12V 24V 36V 48VDC (automatic identification) Rated Current: 60A Rated Charging Power: 800W 12V, 1600W 24V, 2400W 36V, 3200W 48V PV Input Maximum Open Circuit Voltage: DC150V Overall Efficiency: ≥98.5% Scope of Application: Sealed maintenance free acid battery (default), colloidal acid battery, open acid battery (you can also customize the setting parameters to charge other types of batteries) Control Mode: Normally open normally closed mode, time control mode, light control mode Cooling Method: Air cooling Protection Functions: Input and output over voltage protection, input and output anti reverse connection protection, machine over temperature protection, load over current protection Size: Approx. 219x260x110mm/8.6x10.2x4.3in Package List 1 x MPPT Solar Charge Controller