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FS: Type 640 Mercury Battery Adapter, save your vintage equipment!
If you have a older Honeywell Pentax Spotmeter, or other equipment that
used the Type 640 Mercury battery, you need to know about this: The Type 640 battery is no longer available - it is a mercury battery and improper disposal is bad for the environment. The currently marketed replacement battery of the same type number is an alkaline type. It has a different voltage and discharge curve, which would make devices such as camera meters inaccurate if used as a replacement. I have a solution, please see http://www.ebiz2000.com/640MBA Thank you. |
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