Whisper Power 40290035 - GEL Battery 2 V - 210 Ah

Whisper Power 40290035 - GEL Battery 2 V - 210 Ah

The Whisper Power 40290035 - GEL Battery 2 V - 210 Ah is specifically engineered for applications requiring extended deep charge and discharge cycles. Utilizing advanced tubular plate technology, this battery features a gel electrolyte that ensures high performance while remaining fully maintenance-free. It is ideal for a variety of uses, including emergency and backup power supplies, marine and mobile battery banks, and uninterruptible power supply (UPS) installations.

Key Features

• Long Lifespan: Designed to last over 10 years, providing reliable power for the long term.
• High Charge Capacity: Capable of handling high charge currents of up to 50% of its nominal capacity.
• Large Battery Bank Compatibility: Suitable for extensive battery banks ranging from 600 to 8000 Ah.
• Heavy-Duty Performance: Ideal for use with high-demand inverters that require intensive usage.
• Durable Cycle Life: Supports a large number of charge cycles (1200 to 3000), depending on discharge levels, ensuring long-term reliability.
• Extended Warranty: Comes with a 7-year warranty (restricted to cycles), giving peace of mind to users.

Technical Specifications

Dimensions: 145 × 206 × 390 mm (5.7" x 8.1" x 15.4")

Weight: ± 18.0 kg (39.7 lbs)

Nominal Capacity: 210 Ah (C10, cell 1.80 V, 20°C)

Nominal Voltage: 2 VDC

Terminal Type: 2 × M8

Charge / Discharge Parameters

Bulk Charge Voltage: 2.42 VDC at 20°C

Float Voltage: 2.25 VDC at 20°C

Initial Charge Current: 80 A

Temperature Ratio: -4 mV/cell/°C

Recommended Discharge Voltage (10 hours): 1.80 VDC/cell

Recommended Discharge Voltage (1 hour): 1.65 VDC/cell

Nominal Capacity at 20°C

10 Hours Discharge: 210 Ah

5 Hours Discharge: 180 Ah

1 Hour Discharge: 88 Ah

Self Discharge: Less than 3% per month at 20°C

Storage Time: Can be stored for up to 6 months at 20°C; charging before use is recommended.

Battery Parameters

Cyclic Life at 80% Discharge: 1250 cycles

Internal Resistance: Approximately 0.60 mΩ

Conclusion

The Whisper Power 40290035 - GEL Battery 2 V - 210 Ah is an exceptional choice for those needing a reliable and efficient energy solution for demanding applications. With its long lifespan, high charge capacity, and maintenance-free operation, this battery is perfect for use in marine, mobile, and backup power systems, ensuring dependable performance over time.