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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