Battery Size 2024 Vs 2025 Comparison. If your device drains power quickly, the cr2032 is the better option for longer runtimes. The only difference between these two batteries is their size:

The 2032 battery measures 20mm in diameter and 3.2mm in height, whereas the 2025 battery is slightly thinner at 20mm in diameter and 2.5mm in height. In terms of thickness, cr2032 is 0.7mm thicker than cr2025.