if I remember correctly, it's a purple and green and black thing. It costs $15 at rat shack. more expensive than the one in my plus. And to make things worse, I need about 5 of the buggers...

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All the more reason to pay USD5 each from an eBay seller. The colours will depend as you buy French SAFT (green and white), Israeli Tadiran (purple and green) or US Maxell (bright red and white). At that price, who needs Ratty Shark?

If you can find a 4.5-V cylindrical alkaline battery (128K to Plus) anywhere, you may find yourself looking at USD30 each.

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