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Author Message   Waynemel Tinkerer Username: Waynemel Post Number: 115 Registered: 08-2009 Rating: N/A Votes: 0 Posted on Friday, July 30, 2010 - 06:13 am:    I just finished "refurbishing" 2 Hi Matic Es. The original mercury batteries for this camera are no longer available (at least in my part of the world). Suitable replacements are 2 hearing aid batteries (1.4v). These are not long lasting, but will work fine. You will need to add a spacer of some sort to the battery compartment, as the new batteries are much smaller than the original. Another option is the Wein cell battery. These are larger (you will still need a spacer), but will last longer. They are also much more expensive. If the new batteries do not help, you may have the typical corrosion inside the camera, a much more serious problem.