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1A Lithium Battery Charging Boost Shield w/ Micro USB Port for D1 Mini

1A Lithium Battery Charging Boost Shield w/ Micro USB Port for D1 Mini

Product description:
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1A Lithium Battery Charging Boost Shield w/ Micro USB Port for D1 Mini
Product Description
Charging, when the battery run out, you do not need to unplug the battery, just using usb port to charging.
1.Connect to lithium Battery (normal 3.3-4.2V)
2.Charging port (normal 5V)
3.Green LED, lights when charging is completed
4.Red LED, lights when charging
J1: setting max charging current, 0.5A or 1A.

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