HP41 AC adapter & battery charger



#5

Does anyone have a battery charger for N cells for the HP 41CX. Also, looking for an AC adapter for the 41CX. Please e-mail to:

jbreda@massmed.org. Thanks.


#6

It uses the 82059 A/B/C/D chargers. They appear with great regularity on Ebay. Average going rate $20 +/- $5.


#7

It sounds like he's looking for two different things - something to charge N cells and, I guess, the 41C rechargeable pack. That uses a 82059 but it doesn't sell for $20! Didn't an auction for a rechargeable pack generate a thread here of the "Do you beleieve what I saw on Ebay ..." variety?

#8

Hi John

You do not say were on earth you live, so I'll assume you live in the US.
The easiest way to buy a charger for N cells is to go to Radio Shack. You
need to buy a standard NiCd and NiMH charger (probably desktop) and a set
of 4 converters to make the N-cells fit in the charger.

If the RS people have no clue how to order these adaptors, ask them to
check the back of any rechargable N-cell pack sold by RS, it contains the
magic product number. Best to wait till you get the adaptors before you
buy the charger as they do not fit in all the chargers (esp. the small
ones).

One final note, the RS code will order you a PACK OF FOUR ADAPTERS, so
order only one - Yes I ended up buying 16 adapters :-(

On your second question (about running the HP-41 off a mains adapter),
there is no sensible answer. HP used to produce a rechargable battery
pack for the 41, but its a complete cludge as it uses minute cells which
are difficult to find, tend to leak and need recharging very often.
They allow the HP-41 to be operated using the same charger as the
other HP-41 peripherals (e.g. the 82143 printer), but, like I said,
they are expensive and too much of a bother. Its cheaper to buy
another set of 4 rechargable N-cells and simply swap them round.

**vp


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