#sr516 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #sr516, aggregated by home.social.
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#TodayILearned: the numbers in the #CR2032, #CR2025 #buttonCell #batteries and the likes represent the #battery's dimensions, eg.:
CR2032: lithium, 20 mm diameter, 3.2 mm height
CR2025: lithium, 20 mm ⌀ x 2.5 mm ↕
#SR516: silver, 5.8 mm ⌀, 1.6 mm ↕
#LR1154/#SR1154: alkaline/silver, 11.6 mm ⌀, 5.4 mm ↕.The letters denote their common name / positive electrode
L→Alkaline / Manganese dioxide
S→Silver / Silver Oxide
C→ Lithium / Manganese dioxide
etc
While the 'R' means 'Round'