Assuming I've decided I want to learn enough about common (and upcoming) rechargeable batteries such that I could design microcontroller based chargers, balancers, and other battery management tools, what text, book, primer, app notes, website, etc should I dig into? -Adam --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .