My HP41CV just arrived. Cleaning tips?

[Massimo Gnerucci]

(12-10-2017 06:43 PM)Trond Wrote:  Dang The calculator seems to eat batteries too fast. I bought new batteries on Friday, and they are already gone (calculator turns itself off after less than a minute).

A faulty capacitor, or, if you're lucky, an intermittent contact.

See here and here.