The Testo 0519 3002 Lithium CR2450 Button Cell Battery replaces the battery within the user's 184-G1, 184-H1, 184-T3, or 184-T4 Data Logger to extend the service life of the instrument. This battery features a CR2450 size with 3V voltage.

• For use with 184-G1, 184-H1, 184-T3, and 184-T4 Data Loggers
• Replacement lithium button cell battery extends service life of instrument
• Size: CR2450
• Voltage: 3V