CR1632 vs CR2032: Features and Applications Guide

LITHIUM BATTERY 3V COIN 16MM

Energizer cr1632 and CR2032 both belong to the category of lithium coin batteries, but they have noticeable differences in characteristics, specifications, and application fields. This article will delve into the technical parameters and performance features of these two types of batteries, as well as their specific applications in different devices, to help readers better understand and choose the battery type that suits their needs.

Is CR2032 a suitable substitute for CR1632?

Overview of CR1632:

Measuring 16 millimeters in diameter and 3.2 millimeters in thickness, energizer cr1632 battery is a widely used button cell battery. Due to its small size and light weight, this type of battery is often used in watches, calculators, and thermometers. Additionally, the Energizer CR1632 3V Lithium Coin Battery is suitable for a variety of applications, including keyless entry remote controls, mobile phones, computer motherboards, heart monitors, and IC memory backup power sources. This battery contains two cells, allowing for easy replacement to maintain steady and efficient operation of devices.

Overview of CR2032:

The CR2032 lithium coin battery, measuring 20 millimeters in diameter and 3.2 millimeters in thickness, is a commonly used battery. This battery is revered for its higher capacity (usually 220 milliamp-hours) and wide applications, suitable for remote controls, pedometers, heart rate or blood glucose monitors, and other portable electronic devices. Energizer's CR2032 coin cell provides lasting and reliable power, ideal for keyless entry systems, key fobs, watches, toys, and games, as well as more professional equipment. These batteries can withstand temperatures from -22°F to 140°F and have a shelf life of up to ten years. Energizer designs responsibly with zero mercury and child-safe packaging, ensuring safety and environmental protection, making it an ideal choice for various professional devices.

Functions of CR1632 coin battery and CR2032:

The main functions of CR1632 and CR2032 are to provide stable voltage and current for low-power devices. Although both batteries are slightly different in size, they both provide a voltage of 3 volts.
1.Features of CR1632:
- High voltage: 3V
- Eco-friendly, mercury-free: Contains no harmful mercury
- Ultra-low self-discharge: This product has a shelf life of up to ten years and an extremely low self-discharge rate.
- Wide temperature range: Can operate reliably within a temperature range of -30°C to +60°C
- High leakage protection: Ensures battery safety and prevents leakage
- High energy density: Small size, large energy
- Diverse applications: Compatible with a wide range of products
2.Features of CR2032:
- High voltage: 3V
- Ultra-low self-discharge: Extremely low self-discharge rate, with a shelf life of up to 10 years
- Diverse applications: Compatible with a wide range of products
- Eco-friendly, mercury-free: Contains no harmful mercury
- High leakage protection: Ensures battery safety and prevents leakage
- Adaptable to various temperatures: Reliable operation within a temperature range of -30°C to +60°C
- High energy density: Small size, large energy

Comparison of Specifications between CR1632 and CR2032

Specifications Summary of CR1632 lithium battery and CR2032:

Despite many similar parameters, CR1632 and CR2032 batteries differ significantly in nominal capacity, size, and weight.Whereas the CR2032 has a nominal capacity of 225mAh, the CR1632 has a capacity of 140mAh. Additionally, the diameter of CR2032 is 20mm, whereas CR1632 is only 16mm in diameter. Due to these physical size differences, each battery requires a specific sized battery holder. Thus, these two types of batteries are not interchangeable, and it is essential to ensure that the battery model matches the battery holder during installation.

CAD Models: CR1632 and CR2032

CAD Model CR1632

Symbol CR1632

Footprint of CR1632

CAD Model CR2032

Symbol CR2032

Size and temperature characteristics of CR1632 and CR2032

Dimensions and Temperature Characteristics of CR1632

Dimensions and temperature characteristics of CR2032

Applications of CR1632:

- Automotive applications: Smart keys, keyless entry systems, threshold lighting
- Internet of Things: Location tracking devices
- Sensors: Security monitoring systems
- Medical devices: Electronic thermometers
- Home and office: Household appliances, multifunction printers
- Commercial systems: Electronic price tags, POS systems

Applications of CR2032:

- Data storage: Memory backup
- Enterprise solutions: Server UPS backup, public utility management
- Industrial applications: Onboard mounting, aerospace, and military equipment
- Public facilities: Transportation systems, voting machines
- Medical and safety: Hospital equipment, laser devices
- Consumer electronics: Cameras, flashlights, cordless phones, remote controls
- Daily use: Widely used in various portable devices

Application Summary of CR1632 and CR2032:

CR1632 batteries are widely used in car key remote controls, watches, toys, and other electronic devices, providing lasting and reliable power. To ensure optimal performance, it is recommended to store the batteries in a room-temperature, well-ventilated, and dry environment, with humidity not exceeding 60%. Under these conditions, the effective life of CR1632 can reach up to 2 years.
CR2032 is an extremely

common button battery that can power various small electronic devices such as calculators, watches, medical equipment, fitness equipment, and toys. Regarding the operating time of CR2032, for example, a typical LED using 20 mA of current, the battery capacity of CR2032 is 200 mAh. This means that under ideal conditions, CR2032 can power such an LED for about 10 hours.

Equivalent Products for CR1632 and CR2032:

Equivalent batteries for CR1632:
- DL1632
- ECR1632
Equivalent batteries for CR2032:
- DL2032
- BR2032

Safety Warnings for CR1632 and CR2032:

1) Child Safety: Please keep this product out of reach of children. Accidental ingestion can lead to severe chemical burns and esophageal perforation within just two hours, causing serious injury or even death. In the event of an accident, call (800) 498-8666 for medical services and seek medical assistance right away.
2) Battery Compartment Design: To prevent children from disassembling the battery, the battery compartment should use one of the following designs:
- a) Needs a tool to open, like a coin or screwdriver.
- b) The battery compartment door/lid requires at least two independent and simultaneous movements to manually open.
Screws should be firmly secured to the battery door or lid to ensure safety.

Manufacturers of CR1632 and CR2032:

Panasonic Corporation of North America, through its Industrial Devices Sales Company of America division, offers an extensive portfolio of critical components and electronic devices tailored for industrial use. This division excels at offering innovative solutions that meet the shifting demands of the business community.These components power millions of users' household appliances, consumer electronics, computers, communications equipment, and commercial and healthcare products globally every day. Not only do we manufacture high-quality industrial products globally, but we also have advanced research and development facilities and a continued commitment to customer service. These advantages make us the preferred supplier for the world's renowned high-tech electronic product original equipment manufacturers. From the smallest resistors to cutting-edge wireless communication modules, Panasonic offers you a wide range of product choices. Choosing Panasonic means selecting a brand you are familiar with and trust, representing the highest quality in the industry.