underdogger
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I am not sure why but I have longer life with cheep batteries . My White prism IV takes 2 9volt batteries and this is not bull. I get over 40 hrs on a set and I run not on all metal but no discrimination . The batteries are Black and yellow . They say dollar general on them . They have been out lasting duracell and all the others by twice to 4 times the amount of time I am not sure about the other style AA c or d .Just thought 2 batteries cost 3$ and over 40 hrs just thought I would pass that along. hh Rob
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