alan smith wrote: > I have an application where I need to burst out up to 3A at 7Vish for > 10mSec, so either using some AA in series, or a 9V. The question I > am trying to determine is how much burst current I can get out of a > battery before it gives up. I was also thinking p 3A is a lot for AA or 9V batteries. Since you only need the burst for a short time, the obvious strategy that comes to mind is to use a capacitor. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist