The Energizer CR1220 is a 3-volt lithium coin battery designed for high-performance and reliability in small electronic devices. It is known for its long shelf life and ability to operate in extreme temperature ranges.


Key Specifications
Battery Type: Lithium Manganese Dioxide (Single-use).
Voltage: 3V.
Dimensions: 12.5 mm in diameter and 2.0 mm in height.
Capacity: Typically 37mAh to 40mAh.
Operating Temperature: Performs between

and

Shelf Life: Holds power for up to 8–10 years in storage.

Common Applications
This battery is frequently used in compact, low-drain devices such as:
Medical Devices: Heart-rate monitors and glucose monitors.
Security & Automotive: Keyless entry systems and car key fobs.
Personal Electronics: Watches, calculators, and PDAs.
Toys & Games: Various handheld electronic toys and small gadgets