For NiMH, I've just moved to external chargers that manage the charging. See http://www.powerstream.com/NiCad-NiMH-Catalog.htm . These don't cost a whole lot more than a switching wall wart and actually do a reasonable job charging and watching for charge termination. Harold -- FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist