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Evolv's micro USB charging module lets you add the functionality of onboard charging to your DNA 12 and DNA20D, DNA30D, DNA40 projects or can be used as a standalone charger for non-DNA projects.
It is designed for charging 3.7V 1S Li-Ion and Li-Poly cells. An onboard status LED illuminates red when charging, green when fully charged, and orange when no battery is present. Mounting holes for #2 screws are provided for easy attachment.