Features 【Intelligent Control】Solar charge controller adopts built-in industrial-grade microchip controller to improve solar charging efficiency and system performance. 【Operation】Solar panel regulator is equipped with a large LCD display, which intuitively shows the charging and discharging parameters and can be adjusted by users according to their needs; the power failure memory function can store the setting information. 【Multi-Protection】Solar battery charger is equipped with comprehensive three-stage PWM charging management and real-time display of ambient temperature; at the same time, it has short-circuit protection, reverse connection protection and overload protection. 【Dual USB Output】Solar panel charger provides dual USB ports with maximum current up to 2A, which can quickly charge cell phones and other mobile devices at the same time. 【Parameters】Portable solar panel measures 168 x 92 x 42mm, sturdy and durable, adaptable to a variety of installation environments; wide operating temperature range, -30℃ to +60℃. Featrues: 【Intelligent Control】Solar charge controller adopts built-in industrial-grade microchip controller to improve solar charging efficiency and system performance. 【Operation】Solar panel regulator is equipped with a large LCD display, which intuitively shows the charging and discharging parameters and can be adjusted by users according to their needs; the power failure memory function can store the setting information. 【Multi-Protection】Solar battery charger is equipped with comprehensive three-stage PWM charging management and real-time display of ambient temperature; at the same time, it has short-circuit protection, reverse connection protection and overload protection. 【Dual USB Output】Solar panel charger provides dual USB ports with maximum current up to 2A, which can quickly charge cell phones and other mobile devices at the same time. 【Parameters】Portable solar panel measures 168 x 92 x 42mm, sturdy and durable, adaptable to a variety of installation environments; wide operating temperature range, -30℃ to +60℃. Specification: Item Type:Solar Charge Controller System Voltage:12V/24V Automatic Charging Mode: PWM Rated Charging Current: 20A/30A Rated Discharge Current: 10A Maximum Solar Input: Maximum Input 23V at 12V, Maximum 46V at 24V Equalizer: 14.4V Floating Charge Voltage: 13.8V (Default,Adjustable) Undervoltage Protection Voltage: 11.0V (Default,Adjustable) Undervoltage Recovery Voltage: 12.6V (Default,Adjustable) Standby Current: <12mA Working Temperature: -30℃ ~ +60℃ Waterproof Rating: IP32 Size:168 x 92 x 42mm / 6.61 x 3.62 x 1.65in Package List: 1 x Controller 1 x Users Manual Note: Please read the instruction carefully before installation and use!!! Package List 1 x Controller 1 x Users Manual