Panasonic CR2032 3 V Lithium Coin Cell Battery Pack

The Panasonic CR2032 is a reliable, 3 V lithium coin cell battery that’s widely used in a variety of devices — from key fobs and remote controls to fitness trackers, digital thermometers, and computer memory backup. This pack offers excellent value, making it ideal for regular use and replacement.

Features

• Long shelf life & consistent power: With a nominal capacity of ~225 mAh, these batteries maintain voltage well over time.

• Wide temperature range: Operates reliably from –30 °C to +85 °C.

• Compact and standardized size: Diameter of 20 mm and height of 3.2 mm.

• High pulse performance: Can handle sudden bursts of current, making it suitable for devices that draw in short pulses.

• Safety note: These are primary (non-rechargeable) lithium cells. Handle carefully, keep away from children, and never attempt to recharge.

Applications
Perfect for powering:

• Car key fobs / remote entry

• Watches and fitness trackers

• Digital thermometers

• Memory backup in electronics

• Small sensors and security tags

Q: What does “CR2032” mean?
A: “CR2032” is a lithium coin battery where “20” means 20 mm diameter and “32” means 3.2 mm thickness, as per standard naming.

Q: What devices can use a CR2032 battery?
A: Very common devices — car key fobs, remote controls, calculators, fitness trackers, CMOS memory backup, digital thermometers, and other small electronics.

Q: Is this Panasonic CR2032 rechargeable?
A: No. This is a primary (non-rechargeable) lithium cell. Do not try to recharge it.

Q: What is the expected voltage and capacity?
A: It delivers a nominal 3 V voltage, and the typical capacity is ~225 mAh.

Q: What temperature range does this battery support?
A: It operates reliably from approx –30 °C to +85 °C.

Q: How long will the battery last in low-power devices?
A: In devices with very low drain (like memory backup), the CR2032 can last a long time because of its stable voltage and good self-discharge profile. (Exact runtime depends on device current draw.)

Q: Is there any safety warning?
A: Yes — lithium coin cells are dangerous if swallowed. Keep them away from children. Always insert with correct polarity and dispose of used batteries properly.