Tim MäLzer 2025 Battery. Yet, most of the batteries need replacement in 3 to 4 years. Some battery testers may provide additional information, such as an indication of the battery’s overall health.

A 2025 battery is 20mm in diameter and 2.5mm thick, while a 2032 battery is 20mm in diameter and 3.2mm thick. The cr2025 coin battery is popular for using in key remotes, watches, scales and other small electronic devices.