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Home » Computer Equipment» RadioShack» Calculator» Self-Support

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RadioShack Calculator Manuals

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Member Discussion on RadioShack Calculator

EC-4004 Manual

I'm trying to determine the right batteries to power an old EC-4004...most on-line sites say 1 x CR-2025 lithium,however the EC-4004 model I have requires two batteries. I'm looking for the right set of batteries to power my EC-4004.

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Batteries for the EC-4004

The batteries are G10 (Radio Shack P/N 23-101). Do you still have this calculator?

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