Whisper Power 40290063 - AGM Battery 12 V -200 Ah

Whisper Power 40290063 - AGM Battery 12 V - 200 Ah

The Whisper Power 40290063 AGM Battery 12 V – 200 Ah stands out as a premier, economical choice designed for long-lasting and maintenance-free performance. Utilizing advanced Valve Regulated Lead Acid (VRLA) technology, this battery minimizes the need for ventilation and offers flexibility in installation, as it does not require upright positioning. With a nominal voltage of 12 VDC and an impressive capacity of 200 Ah, it is well-suited for medium-sized inverters, providing a dependable power supply for complete DC installations. Additionally, this battery excels in powering pumps and winches and is versatile enough for marine, mobile, and solar energy applications, as well as functioning efficiently as a starter battery.

Key Features

• Economical and maintenance-free design, ensuring hassle-free operation.
• Utilizes VRLA technology for reduced ventilation requirements and flexible installation options.
• Robust nominal capacity of 200 Ah to meet significant energy demands.
• Ideal for medium-sized inverters, ensuring reliable power supply for entire DC systems.
• Versatile applications, including powering pumps, winches, and suitable for marine, mobile, and solar energy systems.

Technical Specifications

Dimensions: Length x Width x Height - 522 x 240 x 219 mm (20.6" x 9.5" x 8.6" inch)

Weight: 60.0 kg (132.3 lb) ± 10%

Nominal Capacity: 200 Ah

Nominal Voltage: 12.0 VDC

Terminal Type: M8 stainless steel

Number of Cells: 6

Charge / Discharge Parameters

Constant Charge Voltage (IU, float): 13.60 .. 13.80 VDC at 25°C

Cyclic Charge Voltage (IUU, absorption): 14.25 .. 14.60 VDC at 25°C

Maximum Recommended Charge Current: 40 to 50% of nominal capacity

Temperature Ratio: -4 mV/cell/°C

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

Nominal Capacity at 25°C

• 20 Hours Discharge: 226.0 Ah
• 10 Hours Discharge: 200.0 Ah
• 5 Hours Discharge: 180.0 Ah

Peukeurt Coefficient: 1.21 < P < 1.24

Usage at 25 A Discharge: 455 minutes

Self Discharge: Less than 3% per month at 25°C

Storage Time: AGM batteries can be stored for up to 6 months at 25°C; it is recommended to charge before use.

Battery Parameters

Inrush Current at 25°C (5s): 2000 A

Cyclic Life at 80% Discharge: 400 cycles

Internal Resistance (approx.): 4.0 mΩ