The CR Lithium battery is a 3 volt, non-rechargeable battery, CR Lithiums are often used in the following applications: car starters, garage door openers, and computer memory back, just to name a few. There is little doubt that you have CR Lithium batteries in some or even many, of the consumer electronic devices you use every day.
2032 - 225mAhr typical.
2032 - widely used in computer motherboard to run the real time clock, used because of their higher capacity.