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LR and CR cells don't contain mercury and never have. The original 12c battery was a MR44. 'L' is manganese alkaline, 'C' is lithium, 'M' is mercury.
by dn3500 2y ago
LR and CR cells don't contain mercury and never have. The original 12c battery was a MR44. 'L' is manganese alkaline, 'C' is lithium, 'M' is mercury.
- inejge 2y agoAll those cells have a zinc anode, which used to be amalgamated with a small amount of mercury to prevent corrosion and leakage[1]. (Mercuric oxide batteries certainly contain even more.) [1] https://www.epa.gov/mercury/mercury-batteries https://www.epa.gov/mercury/mercury-batteries