If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA per hour. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. Project description, more information and ordering can be found at https://www.sparkfun.com/products/10217 Datasheet: http://www.sparkfun.com/datasheets/Prototyping/Batteries/MCP73831T.pdf