Whisper Power 40290225 - Lithium Power Plus 24 V – 420 Ah – 11.1 kWh - Horizontal

Whisper Power 40290225 - Lithium Power Plus 24 V – 420 Ah – 11.1 kWh - Horizontal

The Whisper Power 40290225 Lithium Power Plus is a cutting-edge modular battery rack designed for efficient energy storage, featuring an impressive 24 V system with a capacity of 420 Ah and a total energy output of 11.1 kWh. This robust system consists of 8 battery modules, providing a safe and space-saving energy solution suitable for both land and maritime applications.

Key Features

• Modular Design: Comprising 8 battery modules, it allows for scalable energy storage solutions.
• Flexible Installation: Available in both horizontal and vertical configurations to fit your available space.
• Advanced Safety: Utilizes safe LiFePO4/LFP chemistry with prismatic cells for reliable energy storage.
• Advanced Battery Management: Equipped with a sophisticated battery management system (BMS) for precise monitoring (Whisper Interface Box WIB not included).
• Lightweight Construction: Designed with a modular rack structure that facilitates easy installation and handling.
• Plug and Play: Offers optional pre-installed busbars and cabling for a seamless setup.
• DNV Type Approval: Available upon request for enhanced safety compliance.

Safety and Reliability

The Whisper Power Lithium Power Plus battery rack is engineered for maximum safety and reliability:

• Recognized as one of the safest energy storage solutions available.
• Extinguishable using all standard fire suppression methods, including water.
• Integrated safety measures eliminate the risk of thermal runaway.
• Passive safety design ensures that battery modules remain safe even in the absence of electronic systems.

Specifications

Here are the technical specifications for the Whisper Power 40290225:

• Chemistry: LiFePO4
• Module Configuration: 2s4p
• Number of Modules: 8
• Nominal Voltage: 24 V
• Nominal Energy: 11.1 kWh
• Open Circuit Voltage: 26.4 V
• Nominal Capacity: 420 Ah
• Cycle Life (DOD 80%): >3500 cycles (at 1C charge/discharge, 80% DoD)
• Self Discharge: <3% per month
• Weight (modules only): 80 kg (176.4 lbs)

Charging and Discharging

The battery rack supports various charging and discharging parameters to ensure optimal performance:

• Maximum Charge Voltage: 29.8 V
• Recommended Charge Voltage: 28.6 V
• Recommended Discharge Current: 210 A (0.5C)
• Maximum Discharge Current: 420 A (1.0C)
• Fuse Protection: 2 x 400 A T-class

Environmental and Mechanical Specifications

This battery rack is designed to operate effectively under various environmental conditions:

• Operating Temperature (Charge): 0°C to 55°C / 32°F to 131°F
• Operating Temperature (Discharge): -20°C to 55°C / -4°F to 131°F
• Storage Temperature: -20°C to 55°C / -4°F to 131°F
• Humidity (Non-condensing): <95%
• IP Protection Class: IP 66 (cell), IP 20 (connection)
• Cooling: Natural air convection
• Dimensions: 870 x 280 x 465 mm (34.3 x 11 x 18.3 inches)
• Total Weight: ± 100-110 kg / 220-243 lbs

Custom Solutions

In addition to standard models, Whisper Power offers custom design options to meet specific requirements. Whether you need integrated DC distribution or multiple Whisper Interface Box battery management systems, our team is prepared to assist. Contact us to explore the possibilities and find the perfect configuration for your energy storage needs.