This Energizer lithium 3 volt coin cell battery is size CR1616. It is typically used in electronic devices and sold in a single pack.
Features:
- Made for a variety of devices - from heart-rate monitors, keyless entry and glucose monitors, to toys  &  games
 
- Holds power for 8 years in storage
 
|    Physical Characteristics | 
|    Type | 
   CR1616 Lithium Coin Cell | 
| Operating Temperature | 
-30C to 70C | 
| Chemical System | 
Lithium / Manganese Dioxide (Li/MnO2) | 
|    Voltage | 
   3V | 
| Typical Capacity | 
60 mAh (to 2.0 volts) (Rated at 30K ohms at 21ā) | 
| Max Rev Charge | 
1 microampere | 
| Energy Density | 
133 milliwatt hr/g, 498 milliwatt hr/cc | 
| Self Discharge | 
~1% / year | 
|  Manufacturer's Part Number | 
CR1616 | 
|    Packaging Information | 
|    Package Quantity | 
   1 - Battery | 
|    Product Weight | 
   0.01 lbs (0.01kgs) |