A question about alternative power supply for hp41 series

[rprosperi]

(02-25-2016 02:26 PM)Artur - Brasil Wrote:  N cells here are difficult to find

Here, Amazon has a set of 20 N Cells for less than $1.00 each, not expiring until 2019 (and they of course actually last longer). While shipping to Brazil surely adds to the cost, they are still pretty easy to buy and IMHO, pretty cheap.