A10 and A13 / A312 / A675 share similar diameters but differ in thickness and capacity: A10 is 5.8 mm × 3.6 mm at 1.4V with 90 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.
