Features Reliable Work The solar charge controller is compatible with 12V-24V systems, can manage solar panels and batteries via an integrated industrial microcontroller, 100% new, high quality, reliable and safe quality. Smart Control: 5V 2.5A dual USB output, which can charge mobile phones, tablets, computers and other devices quickly and flexibly, very convenient, stable performance and strong practicality. EASY CHARGING Three phase PWM charging control for fast charging, large charging and floating charging, exquisite workmanship, smooth and delicate appearance, durable and long lasting. Safer Working The solar cell controller has good over current, short circuit, reverse polarity, low voltage, overcharge protection, safe and reliable, and I believe it can make your life more convenient. Practical Use The solar controller is suitable for solar power generation systems, smart homes, solar chargers, solar ventilation systems, solar light boxes, etc. It has a variety of functions and obvious effects. Specification: Item Type: Solar Charge Controller System voltage: 12V 24V automatic adjustment (11.1V 12.8V adjustable). Maximum photovoltaic voltage: 12V system <25V or 24V system <50V USB output: 5V 2A, maximum. Standby current: < 10 mA. Working environment temperature: -35℃~+60℃. Package list: 1 x solar charge controller. 1 x English user manual (English language not guaranteed). Note: This controller can only use photovoltaic modules as charging power source. Do not use DC or other power sources as charging current. Package List 1 x Solar Charge Controller 1 x English User Manual