Whisper Power 40290038 - GEL Battery 2 V - 525 Ah

Whisper Power 40290038 - GEL Battery 2 V - 525 Ah

The Whisper Power 40290038 - GEL Battery is a high-performance 2-volt battery with a nominal capacity of 525 Ah, specifically engineered for applications requiring prolonged deep charging and discharging cycles. These batteries utilize advanced OPzV valve-regulated technology and are completely maintenance-free, making them a reliable choice for various power applications.

The innovative tubular plate technology effectively holds the electrolyte, allowing for superior performance and longevity. Whisper Power GEL batteries are particularly popular in emergency power systems, marine and mobile battery banks, and Uninterruptible Power Supply (UPS) setups.

Key Features

• Designed to last for over 10 years, ensuring long-term reliability.
• Suitable for high charge currents (up to 50% of nominal capacity), enhancing charging efficiency.
• Ideal for large battery banks ranging from 600 to 8000 Ah, making them versatile for various applications.
• Optimal choice for intensively used heavy-duty inverters, ensuring stable power delivery.
• Capable of enduring a large number of charge cycles (1200 to 3000), depending on discharge levels.
• Backed by a 7-year warranty, restricted to cycles, providing peace of mind with your investment.

Technical Specifications

The Whisper Power GEL Battery is designed with the following specifications:

• Dimensions: 166 × 206 × 506 mm (6.5" x 8.1" x 19.9" inch)
• Weight: 39.0 kg (86 lb) +/- 10%
• Nominal Capacity: 525 Ah (C10, cell 1.80 V, 20°C)
• Nominal Voltage: 2 VDC
• Terminal Type: 2 × M8

Charge / Discharge Parameters

• Bulk Charge Voltage (V/cell): 2.42 VDC at 20°C
• Float Voltage (V/cell): 2.25 VDC at 20°C
• Initial Charge Current: 200 A
• Temperature Ratio: -4 mV/cell/°C
• Recommended Discharge Voltage for 10 hours: 1.80 VDC/cell
• Recommended Discharge Voltage for 1 hour: 1.65 VDC/cell

Nominal Capacity at 20°C

• 10 hours discharge: 525 Ah
• 5 hours discharge: 450 Ah
• 1-hour discharge: 220 Ah
• Peukert Coefficient: 1.21 < P < 1.23
• Usage at 25 A discharge: 18 hours
• Self Discharge: Less than 3% per month at 20°C
• Storage Time: OpzV batteries can be stored for up to 6 months at 20°C; recommended to charge before use.

Battery Parameters

• Cyclic Life at 80% Discharge: 1250 cycles
• Internal Resistance: Approximately 0.38 mΩ

The Whisper Power 40290038 - GEL Battery is an excellent choice for users seeking a robust and long-lasting energy solution for demanding applications. With its superior performance characteristics and long life, this battery is designed to meet the needs of various energy-intensive environments.