Very nice aaa battery pack for Classic Calculators

[Leonid]

(06-03-2016 12:42 AM)Waterhosko Wrote:  I am still curious about the voltage issue. I have a friend who heard that alkalines will ruin the calculators. He does not know for sure this is true.

IMHO, even NiZn rechargeable batteries (1.65 V) can't destroy calculator although still better to use low self-discharge nickel–metal hydride batteries (LSD NiMH) like Panasonic Eneloop 2100 (4th gen) with Smart Charger.