This is low cost and very compact Li-Po battery charger, based on Microchip MCP73833 with three status LEDs it display the battery status, works with batteries up to 5000 mAh.
Features:
MCP73833 charger
miniUSB connector
JST 2.0 mm connector for BATTERY-LIPO
three status LEDs
selectable two charge currents 100/470mA
dimensions 30x13 mm (1.18x0.5")