CATL 71H3L7 302Ah Prismatic LiFePO4 Battery Cell

I. Product Overview

The CATL 71H3L7 302Ah Prismatic LiFePO4 battery is a high-performance energy storage solution designed for solar systems, industrial applications, and off-grid setups. It delivers reliable, long-lasting power to meet high-demand scenarios. As a product of CATL—a renowned listed brand in the battery industry—it undergoes professional testing to meet the highest safety and performance standards. Whether for electric vehicles, renewable energy storage, or industrial equipment, it provides a trustworthy power foundation, ensuring a worry-free experience.

II. Product Parameters and Specifications

CATL 71H3L7 LiFePO4 Battery 302Ah

• Nominal Voltage: 3.2V (provides stable, consistent power output for connected devices).

• Max Charge Voltage: 3.65V (enables fast, efficient charging to minimize downtime).

• Real Capacity: 302Ah (offers large energy storage to meet high-demand application needs).

• Cycle Life: ≥6000 cycles (significantly outlasts traditional batteries, reducing long-term replacement costs).

• Battery Internal Resistance: 0.17±0.05mΩ (minimizes energy loss during charging/discharging, maximizing power system efficiency).

• Charging Temperature: 0℃ - 65℃; Discharge Temperature: -35℃ - 65℃ (operates reliably in extreme environments, from frigid winters to scorching summers).

• Storage Life: ≥15 years (ideal for long-term energy storage, such as backup power systems).

• Weight: 551±0.3kg (robust yet manageable for various installation scenarios).

• Dimensions: 207±0.8mm (height) × 173.9±0.8mm (width) × 71.7±0.8mm (depth) (easily integrated into different setups).

III. Standard Configuration and Core Components

（1）Core Components

• 100% Brand-New Grade A Cells: The core of the battery, manufactured to high standards for superior performance, high energy density, and long-term reliability—laying a solid foundation for excellent power delivery.

• Positive Electrode/Negative Electrode: Designed for efficient electron transfer, enabling rapid charging and stable discharging to ensure devices operate at peak performance.

• Explosion-Proof Valve: A critical safety feature that releases excess pressure in abnormal conditions, preventing explosions and protecting users and equipment.

• QR Code: Equipped on each battery; scanning it provides access to manufacturing details and specifications, facilitating quality tracking and warranty verification.

（2）Standard Accessories

• Internal Copper Material: Ensures excellent electrical conductivity, reducing energy loss and enhancing overall efficiency during power transfer.

• Nickel-Plated Exterior: Offers strong corrosion resistance, protecting accessories and maintaining stable connections over time—even in harsh environments.

• Batteries with Stud Holes (4 pcs): Facilitate easy connection and installation of multiple batteries.

• Optional Connectors:

  • Option 1: Corresponding connecting pieces (4 pcs) and M6 flange nuts (8 pcs) (standard, reliable connection for general scenarios).

  • Option 2: Connecting pieces (Overcurrent 300A, 4 pcs) and M6 flange nuts (8 pcs) (suitable for high-current applications, ensuring safe, stable power transmission).

IV. Product Advantages

1. Brand-Backed Reliability

• Listed Brand Assurance: CATL, a renowned listed brand in the battery industry, adheres to unwavering quality standards. Each battery undergoes professional testing to meet the highest safety and performance requirements, providing reliable power for electric vehicles, renewable energy storage, and industrial equipment.

2. Superior Safety Performance

• Passed Extreme Safety Tests: Validated to withstand harsh conditions without hazards:

  • Over-charge/Over-discharge Tests: No explosion or fire risk even when pushed beyond normal limits, ensuring safety for equipment and surroundings.

  • Short-circuit/Acupuncture/Squeeze/Drop Tests: Withstands harsh physical and electrical stress while remaining stable, adapting to demanding applications.

3. High Performance and Efficiency

• Low Energy Loss: Low internal resistance (0.17±0.05mΩ) minimizes energy loss during charging/discharging, maximizing power system efficiency.

• Wide Temperature Adaptability: Charges in 0℃ - 65℃ and discharges in -35℃ - 65℃, operating reliably in extreme climates (e.g., frigid winters, scorching summers).

• Long Lifespan: ≥6000 cycles and ≥15-year storage life reduce long-term replacement costs, making it cost-effective for long-term use.

4. Versatile Applications

Suitable for diverse high-demand scenarios, leveraging large capacity and stable performance:

• Electric Vehicles: Provides reliable, long-lasting power to enhance driving range and performance.

• Renewable Energy Storage: Stores excess solar or wind energy, maximizing renewable resource utilization and reducing grid dependence.

• Industrial Equipment: Powers industrial machinery, automation systems, and backup power supplies, ensuring continuous operation and minimizing downtime.

5. Guaranteed Quality

• Rigorous Pre-Shipment Testing: Each battery undergoes comprehensive final checks before shipment, including voltage, current, internal resistance, and overall performance verification. Strict quality control ensures every product delivered is in perfect working condition, inspiring confidence in its reliability.

Choose the CATL 71H3L7 302Ah LiFePO4 battery for its outstanding safety, performance, and versatility. Backed by a listed brand’s quality commitment, it is the ideal power solution for all your high-demand energy needs.