LiPoly Fast Charger - 5-12V Input
A SparkFun original Lithium Polymer charger.
This little black box charges single cell lithium polymer batteries with a max rate of 1A.
This works well with our 5V/1A regulated supply. The charge output is via a 2-pin screw terminal.
Top pin is ground, bottom pin is charge pin. Based on the popular Microchip part MCP73843-410.