{"title":"SparkFun LiPo Charger Basic - Mini-USB","handle":"sparkfun-lipo-charger-basic-mini-usb","url":"/products/sparkfun-lipo-charger-basic-mini-usb","description":"A simple single-cell LiPo/Li-Ion battery charger based on the MCP73831T charge controller IC. Connect a battery via the JST connector, plug in a Mini-USB cable for power, and the board handles charging automatically with a status LED to indicate progress.\n\nKey Features\n\n\nMCP73831T Charge Controller – Reliable single-cell Li-Ion/LiPo charging\n\nMini-USB Power Input – Standard Mini-USB connector for power\n\nJST Battery Connector – Compatible with standard 2-pin JST-PH LiPo batteries\n\nStatus LED – Indicates charging state\n\nCompact – 34.1 × 13.2 mm board dimensions\n\n\n\nNote: This version uses Mini-USB. Not recommended for use with 110 mAh batteries. Check the MCP73831T datasheet for battery compatibility.\n\n\nIdeal For\n\nCharging single-cell LiPo and Li-Ion batteries\nPortable and wearable electronics projects\nAdding rechargeable power to Arduino and microcontroller builds\n\n\nPackage Contents\n\n1× SparkFun LiPo Charger Basic (Mini-USB)\n\n\nResources\n\nSchematic (PDF)\nMCP73831T Datasheet (PDF)\nHardware Design Files – GitHub\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":12888,"title":"Default Title","sku":"SF-PRT-10401","price":22.15,"on_sale":false,"in_stock":true,"available_quantity":91,"option1":"Default Title"}],"documents":[{"title":"LiPo Charger Basic Mini-USB Schematic","type":"schematic","type_label":"Schematic","url":"https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkDhgwBSSIIcHVyBjsAVEkiDGJsb2JfaWQGOwBG--64352ed4c602e70a905869f5ee206c2393983cfe/LiPo-Charger-Basic-MiniUSB-v10.pdf","link":false,"file_extension":"PDF","file_size":16500,"description":"Circuit schematic for the SparkFun LiPo Charger Basic - Mini-USB board."},{"title":"MCP33244 Regulator Datasheet","type":"datasheet","type_label":"Datasheet","url":"https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkDiQwBSSIIcHVyBjsAVEkiDGJsb2JfaWQGOwBG--4cf87999b50649e29c4dee69e96962dc5deec8af/33244_SPCN.pdf","link":false,"file_extension":"PDF","file_size":951100,"description":"Datasheet for the regulator IC used on the LiPo Charger Basic - Mini-USB."},{"title":"LiPo Charger Basic Mini-USB Eagle Files","type":"schematic","type_label":"Schematic","url":"https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkDigwBSSIIcHVyBjsAVEkiDGJsb2JfaWQGOwBG--6ea767958102c82321c60a28c1ee775e42c79024/LiPo-Charger-Basic-MiniUSB-v10.zip","link":false,"file_extension":"ZIP","file_size":25888,"description":"Eagle design files for the LiPo Charger Basic - Mini-USB PCB layout and schematic."},{"title":"Supplier page — sparkfun.com","type":"supplier_description","type_label":"Supplier Description","url":"https://littlebirdelectronics.com.au/rails/active_storage/blobs/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkD8RsBSSIIcHVyBjsAVEkiDGJsb2JfaWQGOwBG--02027e272e407da920395ebf64cf76863cd8142c/sparkfun-lipo-charger-basic-mini-usb-sparkfun-com-2026-05-13.pdf","link":false,"file_extension":"PDF","file_size":652097,"description":"Snapshot of https://www.sparkfun.com/sparkfun-lipo-charger-basic-mini-usb.html (captured 13 May 2026)"}]}