18650 2200mAh 3.7v Cylinder Battery (Any Colour)

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Component Name

Overview

The 18650 2200mAh 3.7v Cylinder Battery is a rechargeable lithium-ion battery designed for use in a wide range of applications, including portable electronics, IoT devices, and DIY projects. This battery is characterized by its compact cylindrical shape, high energy density, and reliable performance.

Functionality

The primary function of this battery is to provide a reliable source of power to devices and systems that require a compact and efficient energy storage solution. The battery can be charged and discharged multiple times, making it an ideal choice for applications where battery replacement is not feasible or desirable.

Key Features

Capacity: 2200mAh, providing a sufficient amount of energy to power devices for an extended period.
Voltage: 3.7v, suitable for most portable electronics and IoT devices that operate within this voltage range.
Chemistry: Lithium-ion (Li-ion), known for its high energy density, long cycle life, and low self-discharge rate.
Shape and Size: Cylindrical shape with a diameter of 18mm and a length of 65mm, making it easy to integrate into compact designs.
Colour: Available in various colours, allowing for customization and branding opportunities.
Protected Circuit: Built-in protection circuitry to prevent overcharge, over-discharge, and short-circuiting, ensuring safe operation and extending the battery's lifespan.
Recharge Cycles: Up to 300 charge/discharge cycles, providing a long service life and minimizing electronic waste.
Operating Temperature: -20C to 45C, allowing the battery to function reliably in a wide range of environments.
Weight: Approximately 45g, making it a lightweight power solution for portable devices.
Compliance: Meets international safety standards, including UN38.3 and IEC62133, ensuring a safe and reliable product.

Applications

The 18650 2200mAh 3.7v Cylinder Battery is suitable for use in various applications, including

Portable electronics (e.g., smartphones, laptops, and tablets)

IoT devices (e.g., sensors, actuators, and gateways)

DIY projects (e.g., robots, drones, and automation systems)

Wearable devices (e.g., smartwatches and fitness trackers)

Medical devices (e.g., portable defibrillators and ventilators)

Precautions and Safety Considerations

Handle the battery with care to avoid physical damage and electrical shock.

Store the battery in a cool, dry place away from flammable materials.

Avoid overcharging or undercharging the battery, as this can affect its performance and lifespan.

Follow proper charging and discharging guidelines to ensure safe operation.

Dispose of the battery responsibly, following local regulations and guidelines for electronic waste recycling.

Pin Configuration

Component Documentation: 18650 2200mAh 3.7v Cylinder Battery
The 18650 2200mAh 3.7v Cylinder Battery is a rechargeable lithium-ion battery commonly used in various IoT and electronic applications. This documentation explains the pins and their connections.
Pinouts:
The 18650 battery has two pins:
1. Positive Terminal ( Cathode )
Pin: Top terminal (smaller terminal)
Function: Supplies power to the load (device or circuit)
Voltage: 3.7V (nominal voltage)
Polarity: Positive (+)
2. Negative Terminal ( Anode )
Pin: Bottom terminal (larger terminal)
Function: Returns power from the load (device or circuit)
Voltage: 0V (ground)
Polarity: Negative (-)
Connection Structure:
To connect the 18650 battery to a device or circuit:
Step 1: Identify the Pins
Identify the positive terminal (cathode) as the smaller terminal at the top of the battery.
Identify the negative terminal (anode) as the larger terminal at the bottom of the battery.
Step 2: Connect the Positive Terminal
Connect the positive terminal (cathode) to the positive input of the device or circuit.
Ensure the connection is secure and not loose to prevent damage or electrical shock.
Step 3: Connect the Negative Terminal
Connect the negative terminal (anode) to the negative input of the device or circuit, or ground.
Ensure the connection is secure and not loose to prevent damage or electrical shock.
Important Safety Considerations:
Always handle batteries with care to prevent electrical shock or short circuits.
Ensure the battery is connected correctly to the device or circuit to prevent damage or electrical shock.
Use protective circuits or devices, such as voltage regulators, to prevent overcharging or over-discharging, which can damage the battery or cause a fire.
Follow proper charging and discharging procedures for the battery.
By following these instructions, you can safely and effectively connect the 18650 2200mAh 3.7v Cylinder Battery to your IoT device or electronic project.

Code Examples

Component Documentation: 18650 2200mAh 3.7v Cylinder Battery

Overview

The 18650 2200mAh 3.7v Cylinder Battery is a rechargeable lithium-ion battery designed for use in a variety of Internet of Things (IoT) and other electronic projects. Its compact cylindrical shape, high capacity, and moderate voltage make it an ideal choice for many applications.

Specifications

Type: Rechargeable Lithium-Ion Battery
 Capacity: 2200mAh
 Nominal Voltage: 3.7V
 Dimensions: 18mm (Diameter) x 65mm (Length)
 Weight: Approximately 45g
 Cycle Life: >300 cycles

Connecting the Battery

The 18650 battery has two terminals: positive (+) and negative (-). The positive terminal is marked with a "+" sign or a red color, while the negative terminal is marked with a "-" sign or a black color.

Code Examples

### Example 1: Basic Usage with an Arduino Board

In this example, we will use the 18650 battery to power an Arduino Uno board.

Hardware Requirements:

18650 2200mAh 3.7v Cylinder Battery
 Arduino Uno Board
 Jumper Wires

Code:
```c
// No code is required, as the battery directly powers the Arduino board.
```
Connection:

1. Connect the positive terminal of the battery to the VIN pin on the Arduino Uno board.
2. Connect the negative terminal of the battery to the GND pin on the Arduino Uno board.

### Example 2: Using the Battery with a MicroPython-Based IoT Project

In this example, we will use the 18650 battery to power a WiPy 3.0 IoT board running MicroPython.

Hardware Requirements:

18650 2200mAh 3.7v Cylinder Battery
 WiPy 3.0 IoT Board
 Jumper Wires

Code:
```python
import machine

# Initialize the battery monitoring pin
battery_pin = machine.ADC(0)  # Connect the battery voltage monitoring pin to ADC0

while True:
    # Read the battery voltage
    battery_voltage = battery_pin.read_u16()  3.3 / 65535
    print("Battery Voltage: {:.2f}V".format(battery_voltage))
    # Perform other IoT-related tasks...
```
Connection:

1. Connect the positive terminal of the battery to the VIN pin on the WiPy 3.0 IoT board.
2. Connect the negative terminal of the battery to the GND pin on the WiPy 3.0 IoT board.
3. Connect the battery voltage monitoring pin (e.g., ADC0) to a suitable pin on the WiPy 3.0 IoT board.

Note: The code examples provided are for illustration purposes only and may require modifications to suit specific project requirements. Ensure proper safety precautions when working with batteries and electronic components.