LR20 and CR2032 / LR44 share similar diameters but differ in thickness and capacity: LR20 is 34.2 mm × 61.5 mm at 1.5V with 18000 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.
