30A 12v PWM Solar Charge Controller Specification: Charging current: 30 A; USB output: 5 V / 1.2 A max.; battery voltage: 12 V / 24 V automatic identification; size: 133 x 70 x 35 mm; weight: 132 g Safety protection: Built-in short circuit protection, idle protection, reverse polarity protection, overload protection. With full 3-level PWM charging management Functionality: Built-in industrial micro-controller. Both charging and discharge parameters are adjustable. The charging mode can be adjusted Heat dissipation: Dual MOS backflow protection, low heat generation, low failure rate. Extend the battery life and keep the load in operation Easy to use: With an LCD display that clearly displays status and data, it is easy to set up and use. Suitable for domestic, commercial, industrial applications etc. Shipping: Dispatched from Waterford, Ireland