Compact 3V lithium coin cell batteries for portable devices
Manufacturer： panasonic
# Introduction to the CR - 2032/HU3N Product Series
## 1. Overview
The CR - 2032/HU3N product series represents a remarkable advancement in the field of battery technology. These batteries are designed to meet a wide range of power requirements across various industries and consumer applications. With a focus on reliability, performance, and longevity, the CR - 2032/HU3N series has become a trusted choice for many users.
## 2. Physical Specifications
### 2.1 Size and Shape
The CR - 2032/HU3N batteries follow the standard CR2032 form factor. They have a diameter of approximately 20mm and a thickness of 3.2mm. This compact and flat design makes them ideal for use in small electronic devices where space is at a premium. The standardized size also ensures compatibility with a vast number of devices that are designed to accept CR2032 batteries.
### 2.2 Weight
Each battery in the series has a relatively light weight, typically around 3 grams. This low weight is beneficial for portable devices as it does not add significant bulk or mass, allowing for easy handling and transportation.
## 3. Electrical Characteristics
### 3.1 Voltage
The nominal voltage of the CR - 2032/HU3N batteries is 3 volts. This stable voltage output is crucial for the proper functioning of electronic devices. Many low - power electronic components, such as microcontrollers, real - time clocks, and small sensors, are designed to operate within the 3 - volt range, making these batteries a perfect fit.
### 3.2 Capacity
The CR - 2032/HU3N series offers a capacity of around 220 - 240 mAh (milliampere - hours). This capacity determines the amount of electrical charge the battery can store and deliver over time. A higher capacity means that the battery can power a device for a longer period before needing to be replaced.
### 3.3 Self - Discharge Rate
One of the key advantages of the CR - 2032/HU3N batteries is their low self - discharge rate. Self - discharge refers to the loss of charge that occurs when the battery is not in use. These batteries have a self - discharge rate of less than 1% per year under normal storage conditions. This means that they can be stored for extended periods without losing a significant amount of their charge, ensuring that they are ready for use when needed.
## 4. Chemical Composition
The CR - 2032/HU3N batteries are lithium - manganese dioxide (Li - MnO₂) batteries. This chemical combination offers several benefits. Lithium is a highly reactive metal, which allows for a high energy density. The manganese dioxide cathode provides good stability and performance. The combination results in a battery that can deliver a relatively high voltage and capacity in a small package.
## 5. Applications
### 5.1 Consumer Electronics
- **Watches and Clocks**: The CR - 2032/HU3N batteries are commonly used in wristwatches and wall clocks. Their small size and long - lasting power make them an ideal choice for keeping time accurately.
- **Remote Controls**: Many remote controls for televisions, air conditioners, and other home appliances rely on CR2032 batteries. The stable voltage output ensures consistent performance of the remote control functions.
- **Calculators**: Portable calculators often use these batteries due to their low power consumption requirements and long battery life.
### 5.2 Industrial and Medical Devices
- **Sensor Modules**: In industrial settings, various sensor modules such as temperature sensors, humidity sensors, and gas sensors use CR - 20