Feature:1. Automatic Voltage Recognition: The MPPT solar controller automatically recognizes the system voltage, supporting 12V/24V/48V battery systems (30A/40A models are only for 12V/24V systems). This ensures maximum compatibility and ease of use, making it suitable for a wide range of applications.2. Compatible with Various Battery Types: This controller is designed to be widely compatible with various mainstream battery types, including lithium-ion, LiFePO4, and leadacid batteries. This ensures flexibility and convenience, allowing you to choose the battery type that perfect suits your needs.3. Efficient 3-Stage MPPT Charging: With a perfect three-stage MPPT digital management charging mode, this controller enables efficient and quick charging while effectively protecting the battery, extending battery time, and improving system performance. It achieves a maximum conversion rate of up to 98%.4. Built-in Protecting Features: Equipped with built-in fuses and protecting devices, this controller ensures stable operation and output power. It supports overcurrent protecting, overvoltage protecting, undervoltage protecting, high-temperature protecting, and fault alarms.5. User-Friendly Design: Featuring a high-clear large LCD display screen and buttons, this controller offers an intuitive user interface. This allows for easy monitoring and control of your solar system, providing real-time information on battery status, charging progress, and other important parameters.6. Wide Application: This MPPT solar controller is widely applicable in solar power generation systems, smart homes, solar chargers, solar monitoring systems, solar lights, solar billboards, and more.Specification:Features:Automatic Voltage Recognition: The MPPT solar controller automatically recognizes the system voltage, supporting 12V/24V/48V battery systems (30A/40A models are only for 12V/24V systems). This ensures maximum compatibility and ease of use, making it suitable for a wide range of applications.Compatible with Various Battery Types: This controller is designed to be widely compatible with various mainstream battery types, including lithium-ion, LiFePO4, and leadacid batteries. This ensures flexibility and convenience, allowing you to choose the battery type that perfect suits your needs.Efficient 3-Stage MPPT Charging: With a perfect three-stage MPPT digital management charging mode, this controller enables efficient and quick charging while effectively protecting the battery, extending battery time, and improving system performance. It achieves a maximum conversion rate of up to 98%.Built-in Protecting Features: Equipped with built-in fuses and protecting devices, this controller ensures stable operation and output power. It supports overcurrent protecting, overvoltage protecting, undervoltage protecting, high-temperature protecting, and fault alarms.User-Friendly Design: Featuring a high-clear large LCD display screen and buttons, this controller offers an intuitive user interface. This allows for easy monitoring and control of your solar system, providing real-time information on battery status, charging progress, and other important parameters.Wide Application: This MPPT solar controller is widely applicable in solar power generation systems, smart homes, solar chargers, solar monitoring systems, solar lights, solar billboards, and more.Specifications:Color: WhiteMaterial: ABSRated Charging Current: 30A/40A/60A(optional)Rated Discharge Current: 10AUSB Output: 5V, 3A Max.(60A without USB output)PV Maximum Open Circuit Voltage: 30A: 80V 40A: 100V 60A: 150VPV maximum input power: 30A: 400W/12V, 800W/24V 40A: 550W/12V, 1100W/24V 60A: 800W/12V, 1600W/24V, 3200W/48VMPPT Tracking Efficiency: ≥99%Conversion Efficiency: ≤98%System Voltage: 30A/40A: 12V/24V Automatic Recognition 60A: 12V/24V/48V Automatic RecognitionItem Size: 30A: 195 * 132 * 63mm/ 7.7 * 5.2 * 2.5in 40A: 217 * 148 * 65mm/ 8.5 * 5.8 * 2.6in 60A: 232 * 163 * 75mm/ 9.1 * 6.4 * 3.0inItem Weight: 30A: 800g/ 1.8lb 40A: 1300g/ 2.9lb 60A: 1400g/ 3.1lbPackage Size: 30A: 244 * 174 * 95mm/ 9.6 * 6.9 * 3.7in 40A: 244 * 174 * 95mm/ 9.6 * 6.9 * 3.7in 60A: 265 * 190 * 105mm/ 10.4 * 7.5 * 4.1inPackage Weight: 30A: 1000g/ 2.2lb 40A: 1500g/ 3.3lb 60A: 1600g/ 3.5lbPacking List:1 * Solar Charge Controller1 * User's ManualPackage List:1 * Solar Charge Controller1 * User's Manual