Battery Shield for WeMos D1 Mini Single Lithium Battery Charging & Boost Module (UK) Transform your WeMos D1 Mini into a fully wireless setup with this compact battery shield. Designed for convenience and portability, it allows you to power your board using a single lithium battery—no USB cable required during operation. Key Features Wireless Power SolutionPower your D1 Mini anywhere by connecting a lithium battery directly to the shield. Integrated Boost FunctionSupplies power to the entire D1 Mini system once a lithium battery is connected. Convenient ChargingRecharge the battery via the onboard USB port without needing to disconnect it. Functional Indicators Red LED – Indicates charging in progress Green LED – Indicates charging is complete Connections Battery Input: Supports standard lithium batteries (3.3V–4.2V) Charging Port: Standard 5V input via USB Ideal for portable and wireless projects, this battery shield offers a simple and efficient power management solution for your WeMos D1 Mini.