How to Use Lipo battery : Examples, Pinouts, and Specs

The Sandip Lipo Battery 12V is a high-performance lithium polymer (LiPo) rechargeable battery designed for applications requiring lightweight, high-energy-density power sources. Unlike traditional batteries, LiPo batteries use a polymer electrolyte, which allows for a compact and versatile form factor. This makes them ideal for portable electronics, remote-controlled (RC) devices, drones, robotics, and other applications where weight and size are critical.

• Remote-controlled (RC) vehicles, drones, and aircraft
• Portable electronic devices (e.g., smartphones, tablets, and wearables)
• Robotics and IoT devices
• Backup power supplies
• DIY electronics projects

The following table outlines the key technical details of the Sandip Lipo Battery 12V:

The Sandip Lipo Battery 12V typically includes two connectors: a power connector and a balance connector. The pin configuration is as follows:

1. Connecting the Battery:

   • Use the power connector (e.g., XT60) to connect the battery to your circuit or device.
   • Ensure the polarity matches the circuit's requirements to avoid damage.
   • For charging, connect the balance connector to a LiPo-compatible charger to ensure all cells are charged evenly.

2. Charging the Battery:

   • Use a dedicated LiPo charger with a balance charging feature.
   • Set the charger to the correct voltage (12.6V for a 3S battery) and current (1C or lower).
   • Never leave the battery unattended while charging.

3. Discharging the Battery:

   • Ensure the load does not exceed the maximum discharge rate (25C for this model).
   • Monitor the battery voltage to avoid over-discharging. The minimum safe voltage per cell is 3.0V (9.0V for a 3S battery).

4. Mounting and Handling:

   • Secure the battery in your device using straps or holders to prevent movement during operation.
   • Avoid puncturing, bending, or exposing the battery to high temperatures.

• Voltage Monitoring: Use a voltage alarm or battery management system (BMS) to monitor the battery's voltage during use.
• Storage: Store the battery at a 50% charge level in a cool, dry place to prolong its lifespan.
• Safety: Avoid short circuits, overcharging, or over-discharging, as these can lead to battery damage or fire.
• Disposal: Dispose of the battery according to local regulations for electronic waste.

To power an Arduino UNO with the Sandip Lipo Battery 12V, follow these steps:

1. Connect the battery's positive terminal to the Arduino's VIN pin.
2. Connect the battery's negative terminal to the Arduino's GND pin.
3. Use a voltage regulator if the battery's voltage exceeds the Arduino's input voltage range.

// This code reads the battery voltage using an analog pin on the Arduino UNO.
// Ensure a voltage divider is used to step down the 12V to a safe level for the Arduino.

const int voltagePin = A0; // Analog pin connected to the voltage divider
const float resistorRatio = 5.7; // Ratio of the voltage divider resistors
const float referenceVoltage = 5.0; // Arduino's reference voltage (5V)

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

void loop() {
  int rawValue = analogRead(voltagePin); // Read the analog value
  float batteryVoltage = (rawValue * referenceVoltage / 1023.0) * resistorRatio;
  
  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: Incorrect charger settings or damaged balance connector.
   • Solution: Verify the charger is set to 12.6V and the correct current. Inspect the connectors for damage.

2. Battery Swelling:

   • Cause: Overcharging, over-discharging, or exposure to high temperatures.
   • Solution: Stop using the battery immediately and dispose of it safely.

3. Device Not Powering On:

   • Cause: Low battery voltage or incorrect wiring.
   • Solution: Check the battery voltage with a multimeter and ensure proper connections.

4. Uneven Cell Voltages:

   • Cause: Imbalanced charging or aging cells.
   • Solution: Use a balance charger to equalize the cell voltages.

Q: Can I use this battery for high-current applications?
A: Yes, the battery supports a maximum discharge rate of 25C, which is suitable for high-current applications. Ensure your load does not exceed this limit.

Q: How do I know when the battery is fully charged?
A: The charger will indicate a full charge when the voltage reaches 12.6V, and the charging current drops to near zero.

Q: Can I connect multiple batteries in series or parallel?
A: Yes, but ensure proper balancing and use a battery management system (BMS) to prevent overcharging or over-discharging.

Q: What is the expected lifespan of this battery?
A: With proper care, the battery can last for 300-500 charge cycles. Avoid overcharging, over-discharging, and high temperatures to maximize lifespan.