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11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery

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Nominal Voltage

11.1 V

+ The nominal voltage of the battery is 11.1 V, which is the voltage at which the battery is designed to operate.

Capacity

3000 mAh

+ The battery has a capacity of 3000 mAh, which means it can supply 3000 milliamps of current for 1 hour.

Series Configuration

3S

+ The battery is configured as a 3S (3 cells in series) pack, which means it has three individual LiPo cells connected in series to achieve the nominal voltage of 11.1 V.

Discharge Rate

40C-80C

+ The discharge rate of the battery is rated at 40C-80C, which means it can supply a maximum of 120 A (40 x 3000 mAh) to 240 A (80 x 3000 mAh) of current.

Operating Temperature

-20C to 40C

+ The battery is designed to operate within a temperature range of -20C to 40C.

Cycle Life

300-500 cycles

+ The battery is rated for 300-500 charge/discharge cycles, which means it can be charged and discharged 300-500 times before its capacity starts to degrade.

Protection

Built-in protection circuitry

+ The battery has built-in protection circuitry to prevent overcharge, over-discharge, and short-circuiting.

Physical Characteristics

Dimensions

105 x 35 x 25 mm

+ The battery has dimensions of 105 mm in length, 35 mm in width, and 25 mm in height.

Weight

250 g

+ The battery weighs approximately 250 grams.

Safety Precautions

Handling

Avoid short-circuiting, piercing, or damaging the battery.

Charging

Charge the battery only with a compatible charger, and avoid overcharging.

Storage

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

Applications

The 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery is suitable for use in a variety of IoT applications, including

Robotics

Drones

Electric vehicles

Medical devices

Industrial control systems

Warranty and Support

The battery comes with a 1-year warranty against manufacturing defects. For further information, please contact the manufacturer's support team.

Pin Configuration

  • 11.1V 3000mAh 3S 40C-80C Lithium Polymer Battery Documentation
  • Overview
  • This lithium polymer battery is designed for high-performance applications, with a nominal voltage of 11.1V, a capacity of 3000mAh, and a discharge rate of 40C-80C. The battery has a 3S configuration, meaning it consists of three cells connected in series.
  • Pinout Explanation
  • The battery has several connections, which are explained below:
  • 1. Positive Terminal (Red Wire)
  • Function: Positive power output
  • Voltage: 11.1V nominal
  • Connector Type: Typically a JST-XH or T-connector
  • Description: This is the positive terminal of the battery, which supplies power to the load.
  • 2. Negative Terminal (Black Wire)
  • Function: Negative power output
  • Voltage: 0V (Ground)
  • Connector Type: Typically a JST-XH or T-connector
  • Description: This is the negative terminal of the battery, which completes the circuit and provides a return path for current.
  • 3. Balance Connector (5-pin JST-XH or 7-pin Molex connector)
  • Function: Balances the charge and discharge of individual cells
  • Pinout:
  • + Pin 1: B1 (Cell 1 balance wire)
  • + Pin 2: B2 (Cell 2 balance wire)
  • + Pin 3: B3 (Cell 3 balance wire)
  • + Pin 4: GND (Ground)
  • + Pin 5: (Optional) Temperature sensor or other additional functionality
  • Description: The balance connector is used to connect a balancer or a charger that can monitor and balance the charge of individual cells. This ensures that the cells are charged and discharged evenly, prolonging the life of the battery.
  • 4. Temperature Sensor (Optional, usually a 2-pin connector)
  • Function: Monitors the battery temperature
  • Pinout:
  • + Pin 1: T (Temperature sensor signal)
  • + Pin 2: GND (Ground)
  • Description: Some batteries may have an integrated temperature sensor that monitors the battery temperature. This information can be used to adjust charging and discharging rates, ensuring safe operation and preventing overheating.
  • Connection Structure
  • When connecting the battery to a load or charger, follow these guidelines:
  • 1. Connect the positive terminal (red wire) to the positive input of the load or charger.
  • 2. Connect the negative terminal (black wire) to the negative input of the load or charger.
  • 3. Connect the balance connector to a balancer or charger that supports 3S batteries.
  • Ensure the balancer or charger is set to the correct voltage and cell count (3S).
  • Connect the B1, B2, and B3 pins to the corresponding balancer or charger pins.
  • Connect the GND pin to the ground of the balancer or charger.
  • If a temperature sensor is present, connect the T pin to the corresponding input on the balancer or charger, and the GND pin to the ground.
  • 4. When using a charger, ensure it is compatible with the battery's chemistry (Lithium Polymer) and rating (3S, 40C-80C).
  • 5. Always follow proper safety precautions when working with lithium batteries, including using protective gear and following proper charging and discharging procedures.
  • Remember to consult the manufacturer's documentation and safety guidelines for specific instructions on connecting and using this battery.

Code Examples

Component Documentation: 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery
Overview
The 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery is a high-performance rechargeable battery designed for use in various Internet of Things (IoT) applications, robotics, and drone systems. This battery features a nominal voltage of 11.1V, a capacity of 3000mAh, and a discharge rate of 40C-80C.
Technical Specifications
Nominal Voltage: 11.1V
 Capacity: 3000mAh
 Discharge Rate: 40C-80C
 Cell Configuration: 3S (3 cells in series)
 Weight: Approximately 250g
 Dimensions: 103 x 43 x 35mm
Pinout and Connection
The battery has a standard JST-XH connector with three pins:
Positive (+): Red wire
 Negative (-): Black wire
 Balance: White wire (for balancing the 3S cell configuration)
Code Examples
Here are two examples demonstrating how to use this battery in different contexts:
Example 1: Arduino-based Robotics Application
In this example, we'll use the 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery to power an Arduino-based robotics system.
```c
const int batteryVoltagePin = A0; // Analog input pin to measure battery voltage
const int motorPin1 = 2; // Digital output pin to control motor 1
const int motorPin2 = 3; // Digital output pin to control motor 2
void setup() {
  // Initialize motor pins as outputs
  pinMode(motorPin1, OUTPUT);
  pinMode(motorPin2, OUTPUT);
}
void loop() {
  // Read battery voltage
  int batteryVoltage = analogRead(batteryVoltagePin);
  float voltage = batteryVoltage  0.004882814; // Convert to voltage value (11.1V max)
// Check if battery voltage is below 10.5V (recommended minimum for this battery)
  if (voltage < 10.5) {
    // Alert user to recharge battery
    Serial.println("Low battery voltage! Please recharge.");
  } else {
    // Control motors based on battery voltage
    if (voltage > 10.8) {
      // Full speed
      digitalWrite(motorPin1, HIGH);
      digitalWrite(motorPin2, HIGH);
    } else {
      // Reduced speed
      digitalWrite(motorPin1, LOW);
      digitalWrite(motorPin2, LOW);
    }
  }
delay(1000); // Wait 1 second before checking again
}
```
Example 2: Drone System with PX4 Autopilot
In this example, we'll use the 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery to power a drone system running PX4 Autopilot.
```c
// PX4 Autopilot code snippet (C++)
#include <px4_platform_common/px4_platform_common.h>
void DroneSystem::init() {
  // Initialize drone system components
  // ...
// Initialize battery monitor
  battery_monitor_.init();
// Set battery voltage and capacity
  battery_monitor_.set_voltage(11.1); // 11.1V nominal voltage
  battery_monitor_.set_capacity(3000); // 3000mAh capacity
}
void DroneSystem::update() {
  // Update drone system components
  // ...
// Check battery voltage and state of charge
  float battery_voltage = battery_monitor_.get_voltage();
  float state_of_charge = battery_monitor_.get_state_of_charge();
// Take action based on battery state (e.g., land or return to base)
  if (state_of_charge < 20.0 || battery_voltage < 10.5) {
    // Land or return to base
    // ...
  }
}
```
Safety Precautions
When working with Lithium Polymer batteries, it's essential to take safety precautions to avoid damage, injury, or fire:
Handle batteries with care to avoid short circuits or damage to the cells.
 Ensure proper charging and discharging procedures to prevent overcharging or undercharging.
 Monitor battery voltage and state of charge to prevent over-discharge, which can cause permanent damage.
By following proper safety guidelines and using the provided code examples, you can effectively integrate the 11.1 V 3000mah 3S 40C-80C Lithium Polymer Battery into your IoT, robotics, or drone projects.