Feature: 1. Advanced Performance: The solar charge and discharge controller adopts automatic recognition of system voltage level and intelligent PWM charging mode. 2. Simple Button Operation: The solar panel charging controller has a large LCD display screen, image LCD graphic logo, and simple button operation. 3. Multiple Protection: Solar charging controller built in charge and discharge safety hours accumulation, battery reverse discharge, battery undervoltage, battery reverse connection, overload, short circuit protection. 4. Multifunctional: Solar voltage regulator PWM charger, with automatic temperature compensation, adjustable charging and discharge control parameters and other functions. 5. Easy to Use: This product can directly drive the solar controller using photovoltaic panels. Provide you with the convenience of use. Specification: Item Type: Solar Charge Controller Weight: 145g/5.1oz USB Output: 5V Output Mode: USB Operating Temperature: -35℃~+60℃ Application: Solar panels, etc Color: black and green. Package List: 1 x Solar Controller1 x Manual