General description Lightweight and highly efficient, this 2X 30W 12V Solar Panel Battery Charger with a 40A controller is designed for easy installation and maintenance. It is suitable for a wide range of applications, including outdoor activities, camping, and emergency charging. Technical specifications Solar Panel Name: 30W Solar Panel Tolerance: +/- 5% SLA Battery Voltage: 12V Solar Cell Type: Monocrystalline Open Circuit Voltage (Voc): 12V Maximum System Voltage: 12V Temperature Coefficient of Power: (0.10 +/- 0.01)% / °C Temperature Coefficient of Voc: -(0.38 +/- 0.01)% / °C Temperature Coefficient of Power Voc: -0.47% / °C Temperature Range: -40°C to +80°C 40A Controller Rated Voltage: 12V / 24V Rated Current: 40A Max PV Voltage: 50V Max PV Input Power: 650W (12V), 1300W (24V) Color: Black Material: Monocrystalline Silicon Size: 420 x 270 x 15 mm Package Contents 2 x Solar Panels with Battery Clips 2 x 40A Controllers