Dual USB Solar Panel Charging Controller Module 5V 3A

is a compact and highly efficient power management module designed for converting solar energy into usable USB charging power. With dual USB output ports and intelligent charging logic, allows users to charge multiple devices such as power banks, mobile phones, DIY battery packs, IoT systems, and microcontroller projects (Arduino / ESP32 / Raspberry Pi) directly from a solar panel. This module ensures safe and stable output thanks to its built-in voltage regulation and overload protection circuitry.

Key Features

• Dual USB Output

  • Provides two 5V USB ports, allowing simultaneous charging of two devices.

• Compatible with Solar Inputs

  • Works with small to medium solar panels, making it ideal for off-grid and renewable energy projects.

• Intelligent charging management

  • Automatically distributes power to connected devices and stabilizes voltage output.

• High efficiency DC-DC conversion

  • Ensures stable 5V output from varying solar input conditions.

• Overcharge & short-circuit protection

  • Keeps your devices safe even under fluctuating solar conditions.

Benefits

• Converts solar energy directly into USB power

• Enables charging in outdoor conditions without mains electricity

• Perfect for portable DIY renewable energy projects

• Ideal for prototyping, camping, IoT deployments, and educational projects

Applications

• Charging smartphones, tablets, and power banks using solar panels

• Renewable energy IoT nodes and wireless monitoring systems

• 5V embedded systems such as Arduino, ESP8266, ESP32, and Raspberry Pi

• Camping, hiking, and off-grid charging stations

• DIY solar power bank systems

Data Sheet (Specifications)

Specifications:

• Input Voltage: 5-30V 3A (max)
• Output Voltage: 5V 3A (max)
• Maximum output current: 2000mA (single USB)/3000mA (dual USB)
• Conversion efficiency: 95%
• Product Size: 4. 27 x 4.18 x 1.27cm