Wemos D1 mini Shield Lithium Battery Charging Board V1.3.0
Compatible with Wemos D1 mini Pro models
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The WeMos lithium battery shield is the perfect solution for powering your WeMos mini or WeMos mini Pro with a single 3.7V lithium battery.
With its built-in DC-DC converter, this shield efficiently steps up the battery voltage to 5V.
When your battery runs low, simply plug the shield into a USB power source using a mini USB cable, and the shield will automatically recharge the battery.
Two LEDs conveniently display the charging status, with one indicating when the battery is charging and the other illuminating when charging is complete.
With this WeMos lithium battery shield, you can easily and reliably power your WeMos mini whenever you need
Micro USB Power Supply, 5V(max: 1A)
Green LED Lights when charging is completed
Red LED Lights when charging
J1 Setting max charging current, 0.5A or 1A.
J2 Connect battery to A0