Re: Powering Classics from Alkalines Message #6 Posted by Dan Grelinger on 27 Apr 1999, 11:09 p.m., in response to message #5 by Jerry Ballard
I used the HP parts phone number found in this forum, and the part number that Andreas provided, and ordered 3 of these, along with a battery door for my HP-28S (which masquarades as an HP-19B part, also found in this forum). I received them today, and they are the batteries, connected physically and electrically together properly, but without the plastic case around the pac. This leaves them loose in the calculator, and provides a possibility of reversing them and providing negative polarity to the calculator. I cut out some cardboard and taped it to the ends of this battery pack to keep it snug. It works well in my HP-67 and HP-75D. They cost $21.00 plus tax.
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