HP-28C Lithium Batteries
Message #1 Posted by Colin on 3 Apr 2001, 6:15 p.m.
Does anyone know of a source for Lithium n-cell batteries for my hp28C? The alkaline ones don't last long enough to be useful. I had the lithium ones for 7 years. I have to reprogram it every time I replace the batteries. Thank You.
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