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3V CR2032 Lithium Coin Battery (Pack of 5)

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Component Description

3V CR2032 Lithium Coin Battery (Pack of 5)

Overview

The 3V CR2032 Lithium Coin Battery is a compact, high-performance power source designed for use in a wide range of IoT devices, wireless sensors, and other battery-powered applications. This pack of 5 batteries provides a reliable and efficient power solution for devices requiring a small, lightweight power source.

Functionality

The CR2032 battery is a primary lithium manganese dioxide battery, meaning it is a disposable battery designed to provide a single use cycle. Its primary function is to supply a stable 3V voltage to power small electronic devices, sensors, and other low-power applications.

Key Features

  • Voltage and Capacity: The CR2032 battery provides a nominal voltage of 3V and a typical capacity of 220mAh.
  • Chemistry: The battery uses a lithium manganese dioxide (LiMnO2) chemistry, which offers a high energy density, long cycle life, and low self-discharge rate.
  • Size and Weight: The CR2032 battery has a compact size of 20mm in diameter and 3.2mm in height, making it suitable for use in small, space-constrained devices. It weighs approximately 3.5 grams.
  • Operating Temperature: The battery is designed to operate within a temperature range of -20C to 60C, making it suitable for use in a variety of environments.
  • Shelf Life: The CR2032 battery has a long shelf life, with a typical storage life of up to 10 years when stored at room temperature (20C to 30C).
  • Low Self-Discharge: The battery's lithium manganese dioxide chemistry ensures a low self-discharge rate, allowing it to retain up to 90% of its capacity after one year of storage.
  • Safety Features: The battery is designed with safety in mind, featuring a built-in protection circuit to prevent overcharge, over-discharge, and short-circuiting.
  • Compliance: The CR2032 battery meets international safety and environmental standards, including IEC 60086-4, ANSI C18.3, and RoHS/REACH compliance.

Applications

The 3V CR2032 Lithium Coin Battery is suitable for use in a variety of IoT devices, including

Wireless sensors and sensor nodes

Wearable devices and fitness trackers

Smart home devices and automation systems

Medical devices and healthcare applications

Low-power wireless communication devices

Packaging and Dimensions

The pack of 5 CR2032 batteries is shipped in a blister pack, with each battery individually wrapped to prevent damage and short-circuiting. The dimensions of the blister pack are approximately 60mm x 40mm x 10mm.

Ordering Information

Part Number

CR2032-5PK

Packaging

Blister pack of 5 batteries

Dimensions

60mm x 40mm x 10mm (blister pack)

Weight

Approximately 17.5 grams (5 batteries)

By providing a reliable and efficient power source, the 3V CR2032 Lithium Coin Battery is an ideal choice for IoT device developers and manufacturers requiring a high-performance, compact power solution.

Pin Configuration

  • Component Documentation: 3V CR2032 Lithium Coin Battery (Pack of 5)
  • Overview
  • The 3V CR2032 Lithium Coin Battery is a compact, non-rechargeable battery commonly used in various IoT devices, wearable electronics, and other low-power applications. This documentation provides a detailed explanation of the battery's pins and connection guidelines.
  • Pin Description
  • The CR2032 battery has two pins, which are:
  • 1. Positive Terminal (+)
  • Pin Location: The positive terminal is located on the top side of the battery, marked with a (+) sign or a slight bump.
  • Function: This pin supplies the positive voltage (3V) to the connected device or circuit.
  • Connection: Connect the positive terminal to the positive input of your device or circuit.
  • 2. Negative Terminal (-)
  • Pin Location: The negative terminal is located on the bottom side of the battery, marked with a (-) sign or a slight recession.
  • Function: This pin supplies the negative voltage (GND) to the connected device or circuit.
  • Connection: Connect the negative terminal to the negative input or ground (GND) of your device or circuit.
  • Connection Guidelines
  • To connect the CR2032 battery to your device or circuit:
  • Step 1: Identify the positive (+) and negative (-) terminals on the battery.
  • Step 2: Connect the positive terminal (+) to the positive input of your device or circuit.
  • Step 3: Connect the negative terminal (-) to the negative input or ground (GND) of your device or circuit.
  • Step 4: Ensure the connections are secure and not loose to prevent any electrical issues.
  • Important Notes
  • Always handle the battery with care to avoid short circuits, which can cause damage or injury.
  • Do not mix the CR2032 battery with other battery types or attempt to recharge it, as it is a non-rechargeable battery.
  • Follow the recommended operating temperature range (-20C to 50C) and storage conditions to maintain the battery's performance and lifespan.
  • By following these guidelines, you can safely and effectively connect the 3V CR2032 Lithium Coin Battery to your IoT device or circuit.

Code Examples

3V CR2032 Lithium Coin Battery (Pack of 5) Documentation
Overview
The 3V CR2032 Lithium Coin Battery is a compact, non-rechargeable battery designed for use in a variety of IoT applications. This pack of 5 batteries provides a reliable power source for devices requiring a small, efficient power supply.
Technical Specifications
Voltage: 3V
 Capacity: 220mAh
 Size: 20mm diameter, 3.2mm height
 Weight: 2.5g (each battery)
 Operating Temperature: -20C to 60C
 Shelf Life: Up to 10 years
Usage Examples
### Example 1: Powering an ESP32 Microcontroller
In this example, we'll use a single CR2032 battery to power an ESP32 microcontroller, a popular IoT development board.
Hardware Requirements
1x ESP32 microcontroller
 1x 3V CR2032 Lithium Coin Battery
 Jumper wires
Connections
Connect the positive terminal of the battery to the Vin pin of the ESP32 microcontroller.
 Connect the negative terminal of the battery to the GND pin of the ESP32 microcontroller.
Code Example (Arduino IDE)
```cpp
void setup() {
  Serial.begin(115200);
  Serial.println("ESP32 initialized");
}
void loop() {
  Serial.println("Battery voltage: " + String(analogRead(A0)  3.3 / 1024) + "V");
  delay(1000);
}
```
In this example, we read the battery voltage using the ESP32's built-in analog-to-digital converter (ADC) and print it to the serial console.
### Example 2: Powering a Simple LED Circuit
In this example, we'll use a CR2032 battery to power a simple LED circuit.
Hardware Requirements
1x 3V CR2032 Lithium Coin Battery
 1x Resistor (1 k)
 1x LED
 Jumper wires
Connections
Connect the positive terminal of the battery to one end of the resistor.
 Connect the other end of the resistor to the anode (positive leg) of the LED.
 Connect the cathode (negative leg) of the LED to the negative terminal of the battery.
No code example necessary, as this is a simple passive circuit.
By following these examples, you can effectively use the 3V CR2032 Lithium Coin Battery to power your IoT projects. Remember to always follow proper safety precautions when working with batteries and electrical circuits.