Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py Take your QT Py anywhere with this power BFF! by Kattni Rembor and Liz Clark published April 08, 2022, last edited December 19, 2025 posted in Adafruit Products Breakout Boards/ Batteries/Power Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Overview Pinouts Downloads Single page Feedback? Corrections? Text View Primary Products Your browser does not support the video tag. Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py Out of Stock Featured Products view all Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh Out of Stock Lithium Ion Polymer Battery - 3.7v 500mAh Out of Stock Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh $6.95 Add to Cart JST-PH Battery Extension Cable - 500mm $1.95 Add to Cart 38 Beginner Product guide Downloads Files MCP73831 Datasheet EagleCAD PCB files on GitHub Fritzing object in the Adafruit Fritzing Library - rev B Fritzing object in the Adafruit Fritzing Library - rev C 3D models on GitHub Schematic and Fab Print Rev C dimensions are in inches Rev B 3D Model Page last edited December 19, 2025 Text editor powered by tinymce. Pinouts