🔋 Power Up Your Life with Panasonic! 0% Mercury for a greener planet. Consistent 3V output for all your devices. Perfect for key fobs, toys, and more! Store unused batteries for up to 10 years. Operates flawlessly from -30°C to 60°C. 3V Power 10-Year Shelf Life -30°C to 60°C The Panasonic CR-1620 Lithium Coin Battery pack of 5 delivers reliable 3V power for a variety of devices, from keyless entry fobs to toys. With a wide operating temperature range and a 10-year shelf life, these eco-friendly batteries ensure you’re always ready for action.