Maple Leaf Northern Fox ECS4000 High Voltage Slave Battery | 3.97kWh Scalable Storage | 90% DoD | LiFePO4 | IP65 Outdoor Rated | UL & UN38.3 Certified

Downloads:

• Fox ESS Slave Battery Datasheet 

The Maple Leaf Northern Fox ECS4000 is a high-performance, 3.97kWh modular battery storage system designed for scalability and efficiency. With a plug-and-play installation and the ability to expand up to 27.8 kWh, this system is ideal for residential and commercial energy storage applications. Featuring a robust LiFePO4 prismatic cell design, high depth of discharge, and wide voltage compatibility, the ECS4000 is built for reliability and long-term performance.

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Key Features

• Modular Scalability: Connect up to 6 CS4000 slave modules (7 modules total with 1 master battery + 6 slave batteries), expanding system capacity up to 27.8 kWh total storage.
  
• High Efficiency: Achieves over 95% round-trip efficiency for maximum energy utilization.
• 90% Depth of Discharge (DoD): Maximizes usable battery capacity for extended performance.
• Wide Operating Voltage: Ranges from 97.2 V to 459.9 V, providing flexibility for different energy needs.
• Easy Installation: Plug-and-play design saves time and simplifies setup.
• CAN Communication: Ensures seamless integration with compatible inverters and energy management systems.
• Durable & Weatherproof: IP65 weatherproof design w/ integrated battery heater for cold climate conditions.
• Reliable Lithium Iron Phosphate (LiFePO4) Chemistry: Provides enhanced safety, longevity, and thermal stability.
• Certified for Safety & Compliance: UL1973, UL9540, UL9540A, and UN38.3 certified.
• Warranty: 12.5-year manufacturer warranty +2.5 years extended coverage through Maple Leaf Power Systems - 15yr total warranty.

Product Specifications

Electrical Characteristics

• Battery Type: Lithium Iron Phosphate (LiFePO4)
• Nominal Voltage: 115.2 V – 403.2 V (Model Dependent)
• Operating Voltage Range: 97.2 V – 459.9 V
• Nominal Capacity: 3.97 kWh – 27.8 kWh (Expandable)
• Max Charge/Discharge Current: 50 A
• Peak Discharge Current (60s): 65 A
• Round-Trip Efficiency: >95%
• Depth of Discharge (DoD): 90%
• Communication: CAN
• Display: LED indicators (1 on CS module, 6 on CM module)

Operating Conditions

• Installation Location: Indoor/Outdoor (Stand-Mounted)
• Operating Temperature: -10°C to 55°C (14°F to 131°F)
• Storage Temperature: -20°C to 55°C (-4°F to 131°F)
• Cooling Method: Natural Convection
• Humidity Tolerance: 0% to 100% (No Condensation)
• Maximum Operating Altitude: 2,000 meters (6,560 feet)

Mechanical Characteristics

• Ingress Protection: IP65 (Dustproof and Water-resistant)
• Certifications: UL1973, UL9540, UL9540A, UN38.3
• Standard Warranty: 12.5-year manufacturer warranty +2.5 years extended coverage through Maple Leaf Power Systems - 15yr total warranty.

Dimensions & Weight 

Model	Dimensions (W x H x D) mm	Dimensions (W x H x D) inches
ECS4000-H2	570 x 155 x 380	22.4 x 6.1 x 15.0