Using non-rechargeable batteries on old HP calculators
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12-03-2014, 02:35 PM
(This post was last modified: 12-03-2014 02:36 PM by Dieter.)
Post: #11
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RE: Using non-rechargeable batteries on old HP calculators
(12-02-2014 04:42 PM)Katie Wasserman Wrote: I did this to virtually all the rechargeable calculators in my collection (abut 200 of them). Alkaline batteries have a slightly higher voltage than NiCds or NiMHs. So I wonder if there is a maximum battery voltage that is known to be safe with the good old Classics, Woodstocks and Spices. Dieter |
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