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The same physically interchangeable cell size or battery size may have widely different characteristics; physical interchangeability is not the sole factor in substituting a battery. [ 1 ] The full battery designation identifies not only the size, shape and terminal layout of the battery but also the chemistry (and therefore the voltage per ...
SR44 and LR44 have a very different discharge curve. A product designed for an SR44 battery will not work well if you substitute an LR44. 71.106.228.229 17:12, 21 March 2010 (UTC) LR44 and SR44 are the same physical size. However, the terminal voltage of the SR version is a tad higher (1.55v -v- 1.5v) and its capacity is also higher.
The F2's interchangeable viewfinders (also known as "heads") [3] marked it as a professional-level SLR and was considered by consumers one of its biggest strengths. By providing updated heads every few years, Nikon was able to introduce new versions of the F2 and keep the basic body in the latest technology until production ended in 1980.
Standard battery nomenclature describes portable dry cell batteries that have physical dimensions and electrical characteristics interchangeable between manufacturers. The long history of disposable dry cells means that many manufacturer-specific and national standards were used to designate sizes, long before international standards were reached.
For those cells I think the more common name is the two numeric digit LR# designation (e.g. LR44), not the corresponding SR# designation as listed now. I left that as is was as I may be incorrect in that assessment or there may be some other reason to list the SR# designation as the preferred common name.
This page was last edited on 5 April 2017, at 01:42 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.
This page was last edited on 3 April 2017, at 22:00 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
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related to: are lr44 and sr44 interchangeable heads part names