> Sorry, I wasn't upset... I guess I shouldn't use caps for emphasis. My apology too if I came over as grumpy (but boy has it been a frustrating week ! and it ain't done yet, groan) > >3 x SR45 - 4.5V, 60mAh It's probable that the DIY pack you and WCW mentioned is based on something like the SR45, given the diameter. This might be a shot in the dark, but if you stripped the wrapper off a 12A......what would you find ? Worth a punt ? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist