Whisper Power 40290073 - GEL Battery 12 V - 225 Ah

Whisper Power 40290073 - GEL Battery 12 V - 225 Ah

The Whisper Power 40290073 GEL Battery is a powerful and durable 12 V, 225 Ah deep cycle battery designed for demanding applications. With a floating life of up to 12 years, this battery excels in environments requiring frequent cyclic discharges, even under extreme temperatures. Its robust grid construction enhances reliability, making it ideal for heavy-duty services in marine, solar, and other high-performance systems.

Key Features

• Deep Cycle "Long Life" Battery: Tailored for extended service and capable of handling repetitive deep discharges.
• Maintenance-Free: This VRLA (Valve Regulated Lead Acid) type battery eliminates the need for regular maintenance, offering a hassle-free experience.
• Shock Resistant: Designed with a heavy-duty casing that provides resilience against impacts and vibrations, ensuring longevity.
• Limited Ventilation Required: The sealed construction reduces the need for ventilation, making it suitable for a variety of installations.
• Air Transportation Approved: Compliant with regulations for safe transport by air, making it versatile for different applications.
• Ideal for Heavy Duty Applications: This battery is specifically designed for frequently used electrical systems, ensuring reliable power delivery.

Specifications

• Nominal Voltage: 12.0 VDC, providing consistent energy output for diverse applications.
• Nominal Capacity: 225 Ah (C20 rating), ensuring ample energy supply for extended periods.
• Dimensions: 522 x 240 x 219 mm (20.6" x 9.5" x 8.6"), providing a compact yet robust solution.
• Weight: Approximately 65.0 kg (143.3 lb), combining strength with manageability.
• Terminal Type: M8 stainless steel terminals for secure connections and reliability.
• Number of Cells: 6 cells, contributing to consistent power output and efficiency.

Charge / Discharge Parameters

The Whisper Power GEL Battery is optimized for both charging and discharging efficiency:

• Constant Voltage Charging (IU, float): 13.60 to 13.80 VDC @ 25°C, maintaining stable voltage for enhanced battery life.
• Cyclic Charging (IUU, absorption): 14.25 to 14.60 VDC @ 25°C, ensuring maximum energy retention for prolonged use.
• Recommended Charging Current Limit: Up to 45.0 A, facilitating efficient charging without damaging the battery.
• Temperature Cut-Off Ratio: 4 mV/cell/°C, ensuring stable performance across various temperatures.
• Discharge Cut-Off Voltage (100% Depth of Discharge):
  • 1.75 VDC @ (A) ≤ 0.2 C
  • 1.70 VDC @ 0.2 C (A) ≤ 1.0 C
  • 1.65 VDC @ (A) ≥ 1.0 C

Rated Capacity @ 25°C

This battery demonstrates excellent performance under rated conditions:

• 20 Hours Discharge: 225.0 Ah, providing reliable power for prolonged use.
• 10 Hours Discharge: 209.0 Ah, suitable for moderate power demands.
• 5 Hours Discharge: 181.0 Ah, effective for high-demand applications.
• Peukert Coefficient: 1.21 < P < 1.24, allowing for efficient energy utilization during discharge cycles.
• Time Reserve at 25 Amps Discharge: 450 minutes, reflecting the battery's endurance under load.
• Self Discharge: Less than 3% per month at 25°C, ideal for long-term storage solutions.
• Storage Time: GEL batteries can be stored for up to 6 months at 25°C; charging is recommended before use for optimal performance.

Battery Parameters

The Whisper Power GEL Battery is equipped with exceptional features for outstanding performance:

• Cranking Amps @ 25°C (5 seconds): 2250 A, providing robust starting capabilities for demanding applications.
• Cycle Life at 80% Depth of Discharge: 600 cycles, ensuring long-lasting performance even under heavy use.
• Internal Resistance (Approx.): 4.0 mΩ, contributing to efficient energy transfer and minimal power loss.

Conclusion

The Whisper Power 40290073 GEL Battery 12 V - 225 Ah is an ideal solution for those seeking a reliable, maintenance-free battery designed for heavy-duty and frequently used electrical systems. With its advanced design, exceptional performance characteristics, and long lifespan, this battery offers a solid investment for various applications, ensuring consistent power supply whenever needed.