Cr2025 Versus Cr2032 Battery. Cr2032 possesses a thicker battery size at 3.2 mm compared to cr2025's 2.5 mm. So, if you have an application where you can’t compromise the battery’s running life, use cr2032 only.
Although the cr2025 and cr2032 batteries have close ties, they’re still different in certain. Cr2025 battery has up to 170 mah capacity, whereas cr2032 has up to 240.