CR1616 vs. CR2450
Comparing 2 standards across 5 specifications. 3 key differences identified.
A CR1616 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 16.0mm in diameter and 1.6mm in thickness. Its slim, compact size makes it a common choice for car key remotes and other small keyless-entry fobs.
A CR2450 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 24.5mm in diameter and 5.0mm in thickness, with a nominal capacity of about 610 mAh -- among the largest standard coin cells. It's commonly used in larger remote controls, TPMS sensors, and medical alert devices needing extended runtime.