Adafruit Micro Lipo Charger for LiPoly Batt with USB Type C Jack

Key Features: Comes assembled and ready to rock out of the box 0.1" Breakout pads with 5V, D- and D+ data lines, GND and VBAT 5V input via USB Type C USB connector For charging single Lithium Ion/Lithium Polymer 3.7 / 4.2 v batteries (not for older 3.6 / 4.1 v cells) 100mA charge current, adjustable to 500mA by soldering a jumper closed Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it via any USB C cable into a USB port and a 3.7V / 4.2V lithium polymer or lithium ion rechargeable battery into the JST plug on the other end. There are two LEDs - one red and one green. While charging, the red LED is lit. When the battery is fully charged and ready for use, the green LED turns on. Seriously, it could not get more easy.
Item Specifics Size: 0.9" x 0.7" x 0.3" For use with Adafruit LiPoly/LiIon batteries only! Lipo/Lipoly/LiIon Batteries not included.