High Adaptation: Working Temperature: -35C~60C, Battery Voltage: 12V/24V Auto-sensing, Charging Current: 30A, Discharging Current: 10A. USB output voltage: 5V/2A, intelligent three-stage PWM charging, high efficiency. Safety Protection: Double MOS anti-backflow protection, low heat generation and low failure rate . It can implement built-in overcurrent protection, short circuit protection, open circuit protection, reverse connection protection, self-healing, without damaging the controller Perfect Design: The solar charge controller has a large LCD display, status and data are clear at a glance, and full three-stage PWM charge management. It adopts industrial-grade master control chip, high-quality materials, environmentally friendly, and high utilization efficiency. Wide Use: Suitable for home, commercial, industrial applications , etc., such as solar power generation systems, solar advertising boxes, smart homes, smart irrigation, etc. Note: In order to ensure the service life and battery safety, the controller should be connected to the battery first, then to the charging device, and finally to the solar panel. The disassembly sequence is opposite to the wiring sequence.