Wide range of applications: solar charge controller - suitable for solar power generation systems, smart homes, solar chargers, solar ventilation systems, solar light boxes, solar advertising signs, street lightssolar warning, etc.;also for home, business, industry, etc.Charging current: 30A USB output: maximum 5V/2A Battery voltage: 12V/24V Automatic detection.Dimensions: 133 x 70 x 35 mm.Weight: 132g.Two 5V USB output ports to support phones, tablets or other devices requiring 5V power. (Note: The solar charge controller is only suitable for lead-acid batteries: OPEN, AGM, GEL)Powerful functions: solar regulator, LCD display, one-button control, full battery, automatic separation, automatic memory, data storage.Built-in industrial microcontroller, charging and discharging parameters can be set, and charging mode can be set, which is easy to configure and use.Multiple protection + light control time control: built-in overcurrent, short circuit protection, reverse polarity protection, idle protection, all are automatically restored, do not damage the controller;The solar controller has a light control time control which can control the discharge by sunlight and time.Provide reliable protection for your devices.Charging with PWM control: solar charge controller, a three-stage charging process with PWM control is used: direct charge, boost charge and float charge.Double MOS reverse current protection, low heat generation and low failure rate.Extend battery life and keep charges running.