HP-32E Advanced Scientific Calculator - my first Spice machine

[jebem]

(11-16-2016 02:08 PM)Dieter Wrote:  

(11-16-2016 12:10 AM)jebem Wrote:  Well, I couldn't find information on what battery capacity HP used on the Spices, so I assumed it were the common 700mAh considering that my calculator was made in 1980 week 34.

I do not think that 700 mAh NiCds were common those days.
You said:

(11-16-2016 12:10 AM)jebem Wrote:  I worked with AA NiCd cells in early 80's having 700mAh for memory backup systems in mini computers, and in mid 80's we had 1000mAh manufactured for professional applications, for example by Panasonic.

Hmm... I got Panasonic Industrial catalogues from 1990 (!) with their complete NiCd range. Their top-of the line AA product was the P100AAS with 1000 mAh. But this type was not available in the early Eighties. In 1985, years after the Spice production had ended, 600 or maybe 700 mAh was all you could get, both from Panasonic and from Sanyo. At least to the best of my knowledge. That's why I wonder what batteries you may refer to. And that's why I hope I may humbly ask if you're sure it was 1980 and not 1990 ?-)

Dieter

Hi, Dieter,

It was early 80's. We used them on our DataSaab D16 systems, despite it was a custom design with solder tags, not a standard AA size if I remember well. Can't really be sure after all these years.

A quick search shows https://www.panasonic.com/global/consume...story.html info that you probably saw already, although these mid 80's Panasonic 1000mAh were not standard AA in size:
In June 1985, the first SM30 model P-100AAS entered mass production, an AA-long-type (diameter 14.5 mm x height 65 mm) with a capacity of 1,000 mAh­―30 % more than existing types with a nominal capacity of 750 mAh.


But we agree that 700mAh were common in mid 80's.
As you mentioned before, the 32E could not use them as it finished production in 1983.

Thanks for the correction.

Cheers,
Jose