Features: 1. This solar panel controller features a built-in industrial microcontroller, making it an intelligent, versatile solar charge controller. 2. Utilizes PWM technology with electronic protection, including short-circuit protection, overload protection, and reverse polarity protection. Features low-voltage disconnect and low-voltage discharge reconnection settings. 3. Large LCD screen with adjustable timer control mode and three options for battery discharge time period adjustment. 4. Designed to prevent unnecessary battery drain from your equipment or appliances with adjustable charging and discharging parameters for smart battery management. 5. The product incorporates scientific improvements over traditional technology, with a plastic shell enhancing robustness and heat dissipation. Specifications: Item Type: Solar Panel Controller Product Material: ABS System Voltage: 12/24V Adaptive USB Output: 5V/3A Float Voltage: 13.7V (Default, adjustable) Discharge Cut-off Voltage: 10.7V (Default, adjustable) Discharge Recovery Voltage: 12.6V (Default, adjustable) Standby Current: <10mA Working Temperature: -35~+60℃. Package List: 1 x Solar Panel Controller 1 x Manual Note: The controller generates heat during operation; ensure it is installed in a flat, well-ventilated area.