Useful, interesting, maybe ... http://www.ti.com/lit/sg/slyt420c/slyt420c.pdf Table of Contents Battery Management System Applications 3 Overview 4 Energy Harvesting and Nano Power Solutions 5 Electric Bicycle Solutions 6 Wireless Power Devices 7 Handheld Consumer Medical Equipment 8 Portable Industrial Solutions 9 Automotive Power Solutions Battery Management Products 10 Battery Chargers 22 Battery Charger Protection 23 Battery Fuel Gauges and Monitors 26 Battery and Peripheral Authentication 27 Battery (Li-Ion) Protection 28 Wireless Power Solutions Design and Development Tools 32 Resources --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .