Witty Fox 3.7V 4000mAh Li-Ion Battery Documentation

Pin Configuration

Witty Fox 3.7V 4000mAh Li-Ion Battery Pinout Documentation
The Witty Fox 3.7V 4000mAh Li-Ion Battery is a rechargeable lithium-ion battery designed for use in various IoT applications. It features a compact design and a high-capacity rating, making it an ideal choice for projects that require reliable power supply. The battery has four pins, which are explained below:
Pin 1: Positive Terminal (B+)
Function: Positive voltage output
Voltage: 3.7V (nominal)
Current: Up to 2C (8000mA) discharge current
Recommended connection: Connect to the positive input of your device or circuit
Pin 2: Negative Terminal (B-)
Function: Negative voltage output
Voltage: 0V (ground)
Current: Up to 2C (8000mA) discharge current
Recommended connection: Connect to the negative input of your device or circuit
Pin 3: Temperature Monitoring (T-)
Function: Thermal protection and monitoring
Signal: Analog voltage output (0-5V) indicating battery temperature
Recommended connection: Connect to an analog input on a microcontroller or other monitoring device to track battery temperature
Pin 4: Charge/Discharge Protection (C/D)
Function: Battery protection and charging control
Signal: Digital output (high/low) indicating charge/discharge status
+ High: Battery is fully charged or charging
+ Low: Battery is discharging or in low-battery state
Recommended connection: Connect to a digital input on a microcontroller or other control device to monitor charge/discharge status
Connection Structure:
When connecting the Witty Fox 3.7V 4000mAh Li-Ion Battery to your device or circuit, ensure the following:
Connect Pin 1 (B+) to the positive input of your device or circuit.
Connect Pin 2 (B-) to the negative input of your device or circuit.
Connect Pin 3 (T-) to an analog input on a microcontroller or other monitoring device (optional, but recommended for temperature monitoring).
Connect Pin 4 (C/D) to a digital input on a microcontroller or other control device (optional, but recommended for charge/discharge status monitoring).
Use suitable wires and connectors to ensure secure connections.
Make sure to follow proper safety precautions when working with lithium-ion batteries, such as using protective equipment and following recommended charging and storage procedures.
Important Notes:
Always handle lithium-ion batteries with care, as they can be sensitive to temperature, charge, and discharge rates.
Ensure the battery is charged and discharged within the recommended parameters to maintain its lifespan and prevent damage.
Consult the datasheet and manufacturer's guidelines for specific charging and discharging procedures, as well as thermal management recommendations.
By following these guidelines, you can safely and effectively utilize the Witty Fox 3.7V 4000mAh Li-Ion Battery in your IoT projects.

Code Examples

Witty Fox 3.7V 4000mAh Li-Ion Battery Documentation

Overview

The Witty Fox 3.7V 4000mAh Li-Ion Battery is a rechargeable lithium-ion battery designed for IoT applications. It features a high capacity of 4000mAh, a nominal voltage of 3.7V, and a compact design. This battery is suitable for powering various IoT devices, including wireless sensors, wearable devices, and small robots.

Specifications

Nominal Voltage: 3.7V
 Capacity: 4000mAh
 Dimensions: 52 x 34 x 5.5 mm
 Weight: approximately 60g
 Operating Temperature: -20C to 50C
 Charging Method: CC/CV (Constant Current/Constant Voltage)

Connecting the Battery

The Witty Fox 3.7V 4000mAh Li-Ion Battery has a standard JST-XH connector, which can be easily connected to most IoT development boards and modules.

Example 1: Powering an ESP32 Board with the Witty Fox Battery

In this example, we'll demonstrate how to power an ESP32 board using the Witty Fox battery.

Hardware Requirements:

Witty Fox 3.7V 4000mAh Li-Ion Battery
 ESP32 DevKitC board
 JST-XH connector

Software Requirements:

ESP32 Arduino Core

Code Example:
```c
#include <WiFi.h>

void setup() {
  Serial.begin(115200);
  WiFi.begin("your_wifi_ssid", "your_wifi_password");
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
}

void loop() {
  // Your IoT application code here
  delay(1000);
}
```
Connecting the battery to the ESP32 board:

1. Connect the JST-XH connector to the battery.
2. Connect the other end of the JST-XH connector to the ESP32 board's battery input pins (VIN and GND).

Example 2: Powering a Bluetooth Low Energy (BLE) Module with the Witty Fox Battery

In this example, we'll demonstrate how to power a BLE module using the Witty Fox battery.

Hardware Requirements:

Witty Fox 3.7V 4000mAh Li-Ion Battery
 nRF52840 BLE module (e.g., Adafruit nRF52840 Feather)
 JST-XH connector

Software Requirements:

nRF5 Arduino Core

Code Example:
```c
#include <BLE.h>

void setup() {
  Serial.begin(115200);
  BLE.begin();
  Serial.println("BLE initialized");
}

void loop() {
  // Your BLE application code here
  delay(1000);
}
```
Connecting the battery to the BLE module:

1. Connect the JST-XH connector to the battery.
2. Connect the other end of the JST-XH connector to the BLE module's battery input pins (VIN and GND).

Important Notes:

Always follow proper safety precautions when handling lithium-ion batteries.
 Ensure the battery is charged using a suitable charger, and avoid overcharging or undercharging.
 The Witty Fox battery is designed for IoT applications and may not be suitable for high-power devices.

By following these examples, you can effectively use the Witty Fox 3.7V 4000mAh Li-Ion Battery to power your IoT projects.