General description The MUMU 20A Smart Solar Panel Charge Controller is designed for efficient solar energy management. It features an LCD display and dual USB ports for convenient charging. This controller is suitable for various applications, including home, commercial, and industrial use. Technical specifications Charging current: 20 A USB output: maximum 5 V/2 A Battery voltage: automatic identification for 12V/24V Dimensions: 133 * 70 * 35 mm Weight: 132 grams Packaging dimensions: 13.7 * 7.7 * 4 cm Weight of the entire box: 160 g Compatibility and accessories Compatible with lead-acid batteries: OPEN, AGA, GEL Installation Easy setup with adjustable charging and discharging parameters Usage LCD display shows status and data for easy monitoring Complete 3-level PWM load management for optimal performance Other information Built-in safety protections: short circuit, open circuit, reverse polarity, overload Double MOS reverse current protection for low heat generation and failure