Difference Between 2032 &Amp; 2025 Batteries. The cr2025 has a diameter of 20mm and a thickness of 2.5mm, while the cr2032 has a. The seemingly simple numbers 2025 and 2032 stamped on button cell batteries represent their expected lifespan and, crucially, their size and capacity.
The numbers in their names represent their dimensions in millimeters. The cr2025 has a diameter of 20mm and a thickness of 2.5mm while the cr2032 has a.