About the product
- Boost：just connect lithium Battery to this shield, power supply for the entire D1 mini system.
- Charging：when the battery run out, you do not need to unplug the battery, just using usb port to charging.
- Package Included: 3Pcs Battery Shield For WeMos D1 mini single lithium battery Charging & Boost(If the number of products received is incorrect, please contact us . we will refund or give you a replacement)
- We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
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