CR1212 and CR2016 / CR2025 / CR2032 / CR2450 share similar diameters but differ in thickness and capacity: CR1212 is 12.5 mm × 1.2 mm at 3V with mAh.
The holder decides: use exactly the size that closes freely — forcing a thicker or thinner cell damages both battery and device.
Both are available on our model pages with individual packing data; for a mixed assortment quote, contact our team.
