SparkFun USB LiPoly Charger - Single Cell

The SparkFun USB LiPoly Charger is an essential tool for those needing to charge 3.7V LiPo batteries. This straightforward yet effective charger is capable of charging at a rate of 500mA or 100mA, making it perfect for charging single-cell Li-Ion or Li-Polymer batteries.

The charger stands out due to its comprehensive features. It includes a charging circuit, status LED, and a selectable solder jumper for 500mA or 100mA charging current. Additionally, it comes with an external LED footprint, USB input, and two pre-installed JST connectors for SYS OUT and BATT IN. In response to customer demand, it also includes a barrel jack connector.

The 'SYS OUT' feature with a pre-installed JST connector is a unique feature that adds convenience for users. It enables you to connect the charging circuit directly to your project, eliminating the need to disconnect the charger each time you want to use it.

For those interested in the technical aspects of the SparkFun USB LiPoly Charger, a range of documents are available. These include a schematic, Eagle Files, a Hookup Guide, a Datasheet (MCP73831T), and Design Files on GitHub.

Whether you're a hobbyist or a professional, the SparkFun USB LiPoly Charger is a reliable and user-friendly solution for charging single-cell Li-Ion or Li-Polymer batteries. Its design and features have been carefully thought out to provide an efficient and hassle-free charging experience.