Lithium Battery Power Supply Expansion Board with 3x 18650 Battery Mount Module

• Smart Expansion Kit: Expand your portable projects with this compact power board, ideal for IoT devices, handheld systems, and more.
• Versatile Energy Output: Supplies 5V/2A output via USB ports or 4V/1A via GPIO pins, providing flexibility for powering various devices.
• Efficient Power Management: Integrated protection circuits ensure safe operation, preventing overcharging, overcurrent, and short circuits.
• Compact and Portable: Designed with a small form factor for easy integration into handheld or portable applications.
• Durable Construction: Built with high-quality materials for enhanced durability and longevity.

• Number of Battery Slots: 3
• Battery Type: 18650 flat-top batteries (not included)
• Output Voltage: 5V (USB) / 4V (GPIO)
• Output Current: 2A (USB) / 1A (GPIO)
• Input Voltage: 4.5V-6V
• Protection Circuits: Overcharging, Overcurrent, Short Circuit

1. Power Supply for Portable Projects
2. Battery Backup for IoT Devices
3. USB Charging Station
4. Emergency Power Source
5. Integration in Handheld Electronics

• Battery Level Indicator: LED indicator displays real-time battery status for accurate monitoring.
• Easy Installation: Solderless design simplifies installation, making it suitable for both beginners and experienced users.
• Wide Compatibility: Supports most 18650 flat-top batteries, ensuring versatility and adaptability.