Item Type: Solar Controller Material: ABS Weight: Approx. 320g / 11.3oz Product Size: Approx. 182x91x50mm / 7.2x3.6x2.0in Protection Function: Battery undervoltage protection, overload, short circuit protection, battery reverse discharge protection, battery reverse connection protection Rated working voltage24V Solar panel voltage100V Float voltage55.2V Undervoltage protection42.8V Undervoltage recovery50.0V Load loss30mA Circuit pressure drop170mV Charging modePWM mode Package List 1 x Solar Controller 1 x Probe 1 x English Manual 1. Please allow 1& 8209;2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1EASY TO USE The solar charge and discharge controller adopts automatic system voltage level recognition and intelligent PWM charging method. 2WIDE CONTROL RANGE The control parameters of the solar charge and discharge controller can be flexibly set to meet your different application requirements. 3LCD DISPLAY Solar controller with large screen, image LCD graphic, simple button operation. 4TEMPERATURE COMPENSATION Solar voltage regulator PWM charger, with automatic temperature compensation, adjustable charging and discharging control parameters. 5SAFE TO USE The solar charge controller has builtin safety hours accumulation of charge and discharge, battery reverse discharge, battery undervoltage, battery reverse connection, overload, and short circuit protection.