7.4 Volt Lithium Ion Battery Pack (5200 mAh) with Protection IC: Reliable, Safe, and Efficient Power

When it comes to powering modern electronic devices, having a dependable battery is crucial. The 7.4 Volt Lithium Ion Battery Pack (5200 mAh) delivers exceptional performance while incorporating advanced safety features to protect both the battery and your devices. Designed for durability and efficiency, this battery pack is ideal for a variety of applications, including robotics, remote-controlled vehicles, and other custom electronics.

 
Key Specifications

This 7.4 Volt Lithium Ion Battery Pack is engineered to meet the needs of both hobbyists and professionals seeking a compact, high-capacity power solution. Its specifications ensure reliable functionality for diverse applications:

Cell Configuration: 4 x 18650 cylindrical cells
Cell Type: Samsung (Premium Korean cells)
Capacity: 5200 mAh – Offers extended runtime for your devices.
Chemistry: Lithium Ion – Known for high energy density and longevity.
Working Voltage: 7.2V – Provides stable operation for your devices.
Peak Voltage: 8.4V – Ensures optimal performance under load.
Cut-Off Voltage: 5.5V – Protects the battery from deep discharge.
Dimensions:
Length: 3" (76.2 mm)
Width: 0.7" (18 mm)
Height: 2.7" (69 mm)
Weight: 7 oz (199 g) – Lightweight for portability and versatile use.
Protection Mechanisms:
PCB (Protection Circuit Board): Protects against overcharge, overdischarge, overdrain, and short circuits.
Polyswitch: A 2 Amp resettable fuse prevents damage from excessive discharge current or reversed polarity.
Max Charging Current: 2 Amps
Max Discharging Current: 2 Amps
This robust feature set makes the 7.4V Lithium Ion Battery Pack an excellent power source for various high-demand applications.

 
Advanced Safety Features

Safety is paramount when working with lithium-ion batteries. This battery pack incorporates a range of protection features to ensure safe operation under various conditions:

1. Protection Circuit Board (PCB)

The built-in PCB offers multiple layers of safety, including:

Overcharge Protection: Prevents the battery from exceeding its maximum voltage, avoiding potential damage or instability.
Overdischarge Protection: Shuts off the battery when voltage drops below the safe threshold, preserving battery health.
Overdrain Protection: Limits power output to prevent excessive current draw that could damage devices or the battery.
Short Circuit Protection: Automatically disconnects power in case of a short circuit, ensuring the safety of your devices.
2. Polyswitch Technology

A 2 Amp polyswitch acts as an additional safeguard. This resettable fuse cuts power if the discharging current exceeds 2 Amps or if polarity is reversed during connection. This feature enhances the overall reliability of the battery pack.

These safety features not only protect the battery but also ensure the longevity and safe operation of your electronic devices.

 
Benefits of the 7.4 Volt Lithium Ion Battery Pack

The 7.4V Lithium Ion Battery Pack stands out for its combination of performance, efficiency, and safety. Below are the key benefits that make it a superior choice:

1. High Energy Density

Lithium-ion batteries are known for their ability to store a significant amount of energy in a compact size. This battery pack is lightweight and easy to integrate into projects where space and weight are critical.

2. Long Lifespan

Compared to NiMH or NiCd batteries, lithium-ion cells have a much longer lifespan and are less prone to capacity degradation. This battery pack is ideal for long-term use, offering reliable performance over hundreds of charge cycles.

3. No Memory Effect

Unlike older battery technologies, this lithium-ion pack does not suffer from the memory effect, which reduces usable capacity over time. You can charge the battery at any time without affecting its overall performance.

4. Built-In Safety Mechanisms

The integrated PCB and polyswitch ensure safe operation, even under challenging conditions, making it suitable for both professional and hobbyist applications.

5. Lightweight and Portable

Weighing only 7 ounces, this battery pack is easy to carry and integrate into portable electronics, remote-controlled devices, or robotics.

6. Certified for Safe Transport

This battery pack has passed UN38.3 testing, ensuring compliance with international safety standards for transportation. This certification guarantees that the battery is safe to ship and handle.

 
Applications

The versatility of the 7.4 Volt Lithium Ion Battery Pack makes it suitable for a wide range of applications. Below are some common use cases:

1. Robotics

The compact size and high capacity of this battery pack make it an excellent choice for powering robotic systems, ensuring consistent energy supply for motors and sensors.

2. Remote-Controlled Vehicles

From RC cars to drones, this battery pack provides the power and reliability needed for high-performance remote-controlled devices.

3. Custom Electronics

DIY enthusiasts and professionals alike can use this battery pack for custom electronic projects, such as portable gadgets, IoT devices, and small-scale renewable energy systems.

4. Backup Power Systems

Its long-lasting performance and compact size make this battery pack ideal for use in backup power supplies for small electronic devices.

5. Airsoft Guns and Tactical Equipment

The lightweight design and stable output of this battery pack make it suitable for airsoft guns, laser systems, and other tactical gear.

 
Practical Design Features

The 7.4 Volt Lithium Ion Battery Pack is designed for user convenience and durability:

PVC Shrink Wrapping: The battery cells are securely wrapped in PVC shrink, providing protection against physical damage and environmental factors.
18-Gauge Wire: High-quality wires are included for easy integration into your devices, ensuring reliable and efficient connectivity.
 
Tips for Safe Use and Maintenance

To maximize the performance and lifespan of your battery pack, follow these best practices:

Charge Properly: Use a charger designed specifically for lithium-ion batteries to avoid overcharging or overheating.
Store Safely: Keep the battery pack in a cool, dry place when not in use, and avoid exposure to extreme temperatures.
Monitor Voltage: Ensure the battery's voltage remains within the recommended range to avoid damage.
Avoid Physical Damage: Handle the battery pack with care to prevent punctures or impacts that could compromise safety.
 

The 7.4 Volt Lithium Ion Battery Pack (5200 mAh) is a reliable and efficient power solution for a variety of applications. With its advanced safety features, high energy density, and long lifespan, it offers exceptional value for both hobbyists and professionals. Whether you're building custom electronics, powering robotics, or upgrading your RC vehicles, this battery pack provides the power and performance you need.

Invest in this versatile battery pack today and experience the difference in quality and reliability it brings to your projects!