Calc wars

From: Barry Peterson <bmpete_at_swbell.net>
Date: Thu Mar 5 16:25:11 1998

On Thu, 5 Mar 1998 20:11:39 +0000 (GMT), you said:

>> The battery pack is just two NiCad AA's welded to a set of contacts. It's
>> very easy to fix this on your own - if you don't have a spot-welder
>> in your household, solder will do after you roughen up the battery contact
>> surfaces. (In the past decade I've gone through
>> a HP15C and a HP41, but it's the HP25 that I still prefer...)
>
>All my HP20-series machines (woodstocks) have a metal spring in the
>battery pack that presses the cells against the terminals in the
>calculator. It will also connect a pair of normal AA cells together
>without needing to spot-weld or solder them.
>
>You can open up the battery pack, extract the old cells and fit some new
>AA NiCds in their place. Take care to get them the right way round, of
>course - at least one of my packs has the polarities moulded into the
>case, though.

I've done that with my aged HP-21; cut the plastic battery pack open
and replaced the nicads. With my HP-38, the batteries were in a metal
holder and easily replaced.
_______________

Barry Peterson bmpete_at_swbell.net
Husband to Diane, Father to Doug,
Grandfather to Zoe and Tegan.
Received on Thu Mar 05 1998 - 16:25:11 GMT