How to Use 9.6V 2400mAh battery: Examples, Pinouts, and Specs

The 9.6V 2400mAh battery by Custom is a rechargeable power source designed to deliver reliable and consistent energy for a wide range of electronic devices. With a nominal voltage of 9.6 volts and a capacity of 2400 milliamp-hours (mAh), this battery is ideal for applications requiring moderate power consumption over extended periods. Its compact design and rechargeable nature make it a sustainable and cost-effective choice for hobbyists, professionals, and manufacturers alike.

• Remote-controlled vehicles and drones
• Portable electronic devices
• Robotics and automation projects
• Backup power for small systems
• DIY electronics and prototyping

The following table outlines the key technical details of the 9.6V 2400mAh battery:

The battery typically comes with a two-wire connector for easy integration into circuits. The pin configuration is as follows:

1. Connection: Connect the red wire to the positive terminal of your circuit and the black wire to the negative terminal. Ensure proper polarity to avoid damage to the battery or connected devices.
2. Charging: Use a compatible NiMH battery charger with a charging voltage of 11.2V. For standard charging, set the current to 240mA. For faster charging, ensure the current does not exceed 1.2A.
3. Discharge: Avoid discharging the battery below 7.2V to prevent damage and reduce cycle life. Use a low-voltage cutoff circuit if necessary.

• Avoid Overcharging: Overcharging can lead to overheating and reduced battery life. Always use a charger with overcharge protection.
• Storage: Store the battery in a cool, dry place when not in use. For long-term storage, charge the battery to about 50% capacity.
• Safety: Do not short-circuit the terminals, puncture, or expose the battery to fire or water.
• Balancing: If using multiple batteries in series, ensure they are balanced to prevent uneven discharge.

The 9.6V 2400mAh battery can be used to power an Arduino UNO via its VIN pin. Below is an example circuit and code to read the battery voltage using a voltage divider:

1. Connect the battery's positive terminal to the VIN pin of the Arduino UNO.
2. Use a voltage divider (e.g., 10kΩ and 5kΩ resistors) to step down the battery voltage for safe measurement on an analog pin.
3. Connect the output of the voltage divider to the Arduino's A0 pin.

// Define the analog pin for voltage measurement
const int voltagePin = A0;

// Voltage divider resistor values (in ohms)
const float R1 = 10000.0; // 10kΩ
const float R2 = 5000.0;  // 5kΩ

// Reference voltage of the Arduino (5V for most boards)
const float referenceVoltage = 5.0;

void setup() {
  Serial.begin(9600); // Initialize serial communication
}

void loop() {
  int rawValue = analogRead(voltagePin); // Read the analog value
  float voltage = (rawValue / 1023.0) * referenceVoltage; // Convert to voltage
  float batteryVoltage = voltage * ((R1 + R2) / R2); // Calculate actual battery voltage

  // Print the battery voltage to the Serial Monitor
  Serial.print("Battery Voltage: ");
  Serial.print(batteryVoltage);
  Serial.println(" V");

  delay(1000); // Wait for 1 second before the next reading
}

1. Battery Not Charging:

   • Cause: Faulty charger or incorrect charging current.
   • Solution: Verify the charger specifications and ensure the current is within the recommended range.

2. Short Battery Life:

   • Cause: Overcharging, deep discharging, or high discharge rates.
   • Solution: Use a charger with overcharge protection and avoid discharging below 7.2V.

3. Overheating During Use:

   • Cause: Excessive current draw or environmental conditions.
   • Solution: Ensure the load does not exceed the maximum discharge rate (4.8A). Operate within the specified temperature range.

4. Voltage Drops Under Load:

   • Cause: High internal resistance or nearing end of cycle life.
   • Solution: Replace the battery if it has reached its cycle limit. For high-current applications, consider using a battery with a higher discharge rate.

• Always check the battery's voltage with a multimeter before use.
• If the battery is not holding a charge, perform a full charge-discharge cycle to recalibrate it.
• For series or parallel configurations, ensure all batteries are of the same type and capacity.

By following these guidelines, the 9.6V 2400mAh battery can provide reliable and long-lasting performance for your electronic projects.