General description The Intelligent 12V/24V MPPT Solar Panel Battery Charge Controller is designed for efficient solar energy management. It features an LCD display and dual USB ports for convenient charging, making it an ideal choice for solar power systems. Technical specifications Battery Voltage: 12 V/24 V Automatic Adaptation Charging Current: 30A, 40A, 50A, 60A, 100A (Optional) USB Output: 5V 2A Item Size: 170 * 95 * 40mm / 6.69 * 3.74 * 1.57in Item Weight: 260g / 9.17oz Packing Size: 175 * 100 * 45mm / 6.89 * 3.94 * 1.77in Packing Weight: 295g / 10.41oz