Specifications Model 25A 35A 45AMaximum PV Open Circuit Voltage 100VMaximum Input Power 300W 12V System 600W 24V System for 25A420W 12V System 840W 24V System for 35A540W 12V System 1080W 24V System for 45AMPP Voltage Range 60V 12V System 80V 24V System for 25A60V 12V System 100V 24V System for 35A and 45ABattery Voltage Range 9 30VRated Charge Current 25A 35A 45AConversion Efficiency 98 Maximum MPPT Efficiency 99 Operating Temperature Range 35℃ 45℃Humidity 95 Non condensingAltitude 3000mIP Level IP32Dimensions 160x115x51mm 25A 195x135x65mm 35A 45A Net Weight 500g 25A 900g 35A 1035g 45A Features Advanced MPPT Technology Ensures maximum power extraction from your solar panels optimizing energy conversion and efficiency Auto System Voltage Recognition Automatically detects 12V 24V systems making installation and monitoring easy and user friendly High Conversion Efficiency Achieves conversion efficiency of over 98 guaranteeing superior performance in energy management Robust Operational Range Capable of operating under extreme temperatures from 35°C to 45°C and at altitudes up to 3000 meters Smart Battery Management Features a 3 stage charging algorithm enhancing battery life and performance Package Included Type A 1 x Solar Controller 25A Type B 1 x Solar Controller 35A Type C 1 x Solar Controller 45A Type D 10 x Plugsmso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt