WeMos D1 Lithium Battery Charger Board with Mini USB

The WeMos D1 Lithium Battery Charger Board with Mini USB is a power management shield designed specifically for the WeMos D1 Mini and Mini Pro boards. It allows you to easily power your WeMos projects using a single-cell 3.7V lithium battery while simultaneously offering automatic charging capability through a mini USB port.

Equipped with an onboard DC-DC boost converter, the shield steps up the battery voltage from 3.7V to a stable 5V output at up to 1A, ensuring reliable operation of your WeMos and connected shields. The module features dual LED indicators that display charging status and completion. Ideal for portable and rechargeable IoT projects, this board adds both flexibility and functionality to your WeMos-based systems.

🔧 Key Features

• Designed for WeMos D1 Mini and Mini Pro
• Integrated lithium battery charging circuit
• Boost converter output: 5V @ 1A max
• Supports 3.7V single-cell Li-ion battery
• Mini USB port for charging and power
• Dual LED indicators for charging and full charge

📐 Technical Specifications

📌 Applications

• Battery-powered IoT projects
• Portable ESP8266 devices
• Rechargeable Wi-Fi data loggers
• Smart home sensor nodes
• Solar-powered microcontroller systems

💡 Why Choose This Charger Board?

The WeMos D1 Lithium Battery Charger Board simplifies power management in mobile and wireless projects by combining a boost converter and charger circuit in one module. With USB charging, status LEDs, and plug-and-play support for WeMos boards, it’s ideal for developers building rechargeable embedded systems.

📦 Package Includes

• 1 × WeMos D1 Lithium Battery Charger Board with Mini USB