Energizer ECR2032BS1, Battery - Lithium - 3V Coin - 240mAh to 2V Current Capacity - Pack of 1

The Energizer 2032. Used in heart-rate monitors, keyless entry, glucose monitors, toys & games.

Features:
• Holds power for 8 years in storage.
• Performs in extreme temperatures (-22 to 140 F).
• The World’s #1 Longest Lasting 2032 Battery!