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Closest match to your query is the classic plug-direct charger: Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1] (single-cell 3.7V/4.2V LiIon/LiPoly, USB-plug form factor) for $12.45.
Similar/alternative charger boards
- If you want a Micro-USB cable jack instead of the USB “stick” connector: Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1] for $14.75.
- If USB-C is preferred: Adafruit Micro-Lipo Charger for LiPoly Batt with USB Type C Jack for $12.55.
- If you need a larger-featured Adafruit charger board (different design revision): USB LiIon/LiPoly charger [v1.2] for $26.00.
- If you’re building around a QT Py and want an add-on charger: Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py for $10.55.
Showing 1-3 of 3 products
![Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCb15JIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--713d247a847ac6644cecad8046855bb70fe81253/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_d5e6853a-ec63-4e5f-baef-20c3f105ffd8.jpg)
Adafruit Micro Lipo - USB LiIon/LiPoly charger [v1]
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The Adafruit Micro Lipo is a tiny USB charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Its gold-plated PCB-style USB connector plugs directly into any USB port — connect your battery via the JST plug and charging begins automatically. Two LEDs indicate sta...
![Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCEstJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--f95360d56feb83370082bddc8408553d8a58647b/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_78af71ef-b059-4f99-8fca-17b262c922fb.jpg)
Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger [v1]
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The Adafruit Micro Lipo with MicroUSB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Micro USB cable to a USB power source and connect your battery via the JST connector — two LEDs show status at a glance (red = charging, gr...
![USB LiIon/LiPoly charger [v1.2]](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCAqZJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--7b30f544b5fad470498e661709a15f8ba7e24a27/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_4a429881-b39f-4916-bc34-aa5b770aa089.jpg)
USB LiIon/LiPoly charger [v1.2]
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This is a Lithium Ion and Lithium Polymer battery charger based on the MCP73833. It uses a USB mini-B for connection to any computer or 'USB wall adapter'. Charging is performed in three stages: first a preconditioning charge, then a constant-current fast charge and finally a constant-volta...
