30A solar charge controller: Solar charge controller is compatible with 12V and 24V systems, discharge current: 30A; dual USB output 5V/2.5A, built-in industrial microcontroller for automatic management, storing various parameters set by the user, battery Will not be lost after exhaustion, suitable for lead-acid batteries: open, AGM, GEL, battery,Functional LCD screen: easy to install and operate, intuitive LCD display can clearly display status and data, able to switch modes and parameter configuration, fully adjustable shutdown level, can perfectly protect lithium battery from over-discharge, suitable for home, industry , business, etc.3-level PWM control charging: Use direct charging, boosting charging, floating charging three-level PWM to adjust the charging mode. Use the controller to achieve efficient and fast intelligent charging, effectively extending the service life of the battery.Multiple intelligent protection: built-in overcurrent protection, short circuit protection, reverse connection protection, open circuit protection, automatic recovery, no damage to the controller, reliable protection device.