The Panasonic CR1620 3V Lithium Coin Battery is the perfect source for a wide range of very small-scale electronic devices. Two or more conventional batteries can be replaced by a single lithium battery. That’s because there’s a lot of power in this ultra-compact design: 3V. Typically used in small, high-performance devices like cameras, glucose meters, and alarm systems.

90% of their original capacity, that’s how much power the Panasonic CR1620