That's rather strange. When I get home I'll look at the manufacture of battery I have for my MRK. Might wanna try ebay I had a friend that bought two of the hi capacity ni cd's and they have been holding up. It's hard to find good OEM batteries for these radios being that these radios have been out of production for some years now. Such a bummer the MRK's are great radios.
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PRO-197, XTS3000, Astro Saber HT1250, MT2000, HT1000, FT60R, VX8GR, UVD-1P(2/1.25), TM741, FT8800R, DR235T.