Christopher wrote:
The oldest has a oval 3 pin AC connector.
A newer one has a standard IEC socket.
Both of these have 3 battery packs made of some form of coin cell, NiCd,
225ma, 5 to a stack.
These are what I'm familiar with (I presume you mean 4 packs, not
3?). The batteries are Y-5201, long obsolete.
The newest 419 is different. Different battery holder, and uses 4 packs
of 5 1/3AA cells. These are not common, but are not that hard to get.
Now, converting an older unit would not be hard. The only thing diff is
the mount and the packs themselves.
shopping for 20 good tabbed 1/3AA cells. Solder 5, inline
shrinktube, repeat 4 more times and done.
Thanks very much for this information!
Yesterday I tried to post a message with a drawing of the older
battery installation, but it was rejected as oversize.
A very good US source for the best quality NiCd cells is SR Batteries
<http://www.srbatteries.com/>. He can also build packs with welded
straps and tabs (soldering directly to the cell almost always
substantially reduces the life of NiCds, no matter how careful you
are). I do not know if he can supply 1/3AA cells, but it is worth
checking. (No connection other than satisfied customer.)
Best regards,
Charles
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