Wide CompatibilityThe solar charge controller with 30A rated discharge current is automatically compatible with 12V or 24V system and suitable for lead-acid batteries: OPEN, AGM, GEL. USB output: 5V / 2A max. Reliable ProtectionZHITING solar charge controller provides overcurrent protection, short circuit protection, reverse polarity protection, low voltage protection and overload protection, providing reliable protection for your devices. With full 3-stage PWM charge management. Functional LCD Display12V/24V PWM Solar Panel Controller Regulator The intuitive LCD display, which can clearly display the status and data, is able to switch modes and parameters, suitable for home, industry, commerce, etc. Heat DissipationTemperature compensation, dual mosfet reverse current protection, reduced heat generation. Extend battery life and keep charging. Easy to UseThe charge controller needs to connect the battery first, then the solar panel, and finally the load! With dual USB charging port for your convenience.You can change the settings with a simple one-button operation. Specification Battery voltage: 12V/24V auto Charging current: 30A Discharging current: 30A Working temperature: -35C to +60C Application: Home, Industrial, Commercial Self-consumption: 10mA Weight: 150g Size: 133*69*35mm Package:1X ZHITING Solar Controller