The Energizer 389/390 delivers reliable, long-lasting 1.55V power for watches, calculators, and small electronics. Silver oxide chemistry provides stable voltage output throughout the battery life for consistent device performance.

• Chemistry: Silver Oxide (Zn/Ag2O)
• Voltage: 1.55V nominal
• Capacity: 73 mAh
• Dimensions: 11.6mm diameter x 3.1mm height
• Zero mercury formula
• 5-year shelf life

Replaces: SR1130W, SR1130SW, SR54, 189, AG10, LR54, LR1130, V389, V390, and other 389/390-equivalent batteries.

Common uses: Watches, calculators, glucose monitors, digital thermometers, keyless entry systems, and laser pointers.