Battery Shield For WeMos D1 Mini Single Lithium Battery Charging & Boost Modules
1,50 €
Put D1 mini anywhere, using this battery shield and a lithium Battery. You can use D1 mini without usb cable, it's really wireless now. Connect to lithium Battery (normal 3.3-4.2V). Charging, when the battery run out, you do not need to unplug the battery, just using usb port to charging.
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