Whisper Power 40290064 - AGM Battery 12 V -260 Ah

Whisper Power 40290064 - AGM Battery 12 V - 260 Ah

The WhisperPower AGM Battery 12 V – 260 Ah stands out as an economical, maintenance-free power solution designed for durability and longevity. Built on advanced VRLA (Valve Regulated Lead Acid) technology, this battery excels in various applications, providing reliable power for marine, mobile, and solar energy systems. Its maintenance-free nature eliminates the hassle of regular upkeep, making it a perfect choice for users seeking convenience without sacrificing performance.

Key Benefits

• Maintenance-Free: No regular watering or maintenance required, ensuring hassle-free usage.
• Versatile Applications: Ideal for use in marine, mobile, and renewable energy systems, as well as serving as a dependable starter battery.
• Durable Design: Engineered for longevity, with a robust construction that withstands the rigors of various environments.
• Environmentally Friendly: The sealed design minimizes acid leakage and environmental impact.
• Compact and Lightweight: Despite its substantial capacity, the design allows for easy installation and transport.

Specifications

• Voltage: 12 VDC
• Nominal Capacity: 260 Ah, providing ample power for various applications.
• Dimensions: Length - 520 mm (20.5 inches), Width - 268 mm (10.6 inches), Height - 220 mm (8.7 inches).
• Weight: 74.0 kg (163.1 lb), designed for substantial power without excessive weight.
• Number of Cells: 6, ensuring efficient energy storage and output.
• Terminal Type: M8 rvs, facilitating secure connections.

Charge / Discharge Parameters

The WhisperPower AGM Battery is designed for optimal performance under various charging conditions. Below are the charge and discharge parameters:

• Constant Charge Voltage (IU, float): 13.60 - 13.80 VDC at 25°C, ensuring consistent voltage during maintenance.
• Cyclic Charge Voltage (IUU, absorption): 14.25 - 14.60 VDC at 25°C, maximizing the battery's energy retention.
• Maximum Recommended Charge Current: 40 to 50% of nominal capacity, allowing for efficient charging without damaging the battery.
• Temperature Ratio: -4 mV/cell/°C, ensuring stable performance across varying temperatures.
• Discharge Voltage:
  • 1.75 VDC @ (A) ≤ 0.2°C
  • 1.70 VDC @ 0.2°C (A) ≤ 1.0°C
• Full Discharge (100% DOD): 1.65 VDC @ (A) ≥ 1.0°C, demonstrating the battery's capability under full load conditions.

Nominal Capacity at 25°C

The battery's performance varies based on discharge rates and temperature, showcasing its efficiency in different scenarios:

• Nominal Voltage: UP TO 1.80 VDC/CELL, providing reliable voltage output.
• 20 Hours Discharge: 278.0 Ah, illustrating capacity over extended usage.
• 10 Hours Discharge: 260.0 Ah, indicating substantial energy availability for shorter cycles.
• 5 Hours Discharge: 220.0 Ah, suitable for high-demand applications.
• Peukeurt Coefficient: 1.21 < P < 1.24, ensuring consistent performance metrics.
• Usage at 25 A Discharge: 630 minutes, reflecting the battery's longevity under typical load conditions.
• Self Discharge: Less than 3% per month at 25°C, making it an excellent choice for long-term storage.
• Storage Time: AGM batteries can be stored for up to 6 months at 25°C; it is recommended to charge before use to ensure optimal performance.

Battery Parameters

The WhisperPower AGM Battery also boasts several impressive performance parameters:

• Inrush Current at 25°C (5s): 2600 A, providing a powerful initial surge when needed.
• Cyclic Life at 80% Discharge: 400 cycles, indicating excellent longevity and reliability.
• Internal Resistance (approx.): 3.5 mΩ, contributing to efficient energy transfer and minimal power loss.

Conclusion

The Whisper Power 40290064 - AGM Battery 12 V - 260 Ah is a top-tier choice for those requiring a reliable, versatile, and maintenance-free power source. Its robust design and advanced technology make it suitable for a wide range of applications, from marine usage to solar energy systems, ensuring you have the power you need when you need it.