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Fidus Battery – EU Series

(Advanced Low-Voltage Energy Storage System)

Overview

The Fidus Battery is a high-performance LiFePO4 (LFP) energy storage solution designed for residential and commercial applications. It delivers high discharge rates, extreme durability, and flexible scalability, making it ideal for harsh environments and large-scale solar systems.

Key Features:

Extraordinary Performance

• Continuous Rate: 1C
• Peak Rate: 2C @ 15 seconds
• Depth of Discharge (DOD): up to 97%
• High efficiency with stable output under heavy loads

Built for Harsh Environments

• IP65 Rated – dustproof & water-resistant
• C5-M Anti-Corrosion Protection – ideal for coastal/industrial areas
• Cell-Level Heating – supports extreme cold climates
• Reliable operation in outdoor installations

Flexible & Scalable Design

• Modular capacity range: 5kWh → 600kWh
• Supports:
  • Up to 120 modules
  • Up to 6 parallel groups
• Installation options:
  • Wall-mounted
  • Ground-mounted
  • Rack-mounted

Wide Compatibility

• Compatible with 50+ inverter brands
• Standard communication:
  • RS485
  • CAN

Technical Specifications

Battery Module

• Model: Fidus-Battery-EU
• Nominal Voltage: 51.2V
• Battery Capacity: 5.12 kWh
• Usable Capacity: 4.86 kWh

Electrical Parameters

• Depth of Discharge: 95% (Normal)
• Max Charge/Discharge Current: 100A
• Peak Current: 121–200A (15 seconds)
• Short Circuit Current: <1000A/ms

Operating Conditions

• Charging Temperature: -10°C to +55°C
• Discharging Temperature:
  • Standard: -10°C to +55°C
  • Nordic Version: -20°C to +55°C
• Storage Temperature: -20°C to +60°C
• Humidity: 5% – 95% (Non-condensing)
• Max Altitude: ≤4000m

Physical Specifications

• Dimensions (W × D × H): 630 × 165 × 360 mm
• Weight: 45 kg

Communication & Integration

• Interfaces: RS485 / CAN
• Supports multi-inverter integration systems

Protection & Build Quality

• Ingress Protection: IP65
• Anti-Corrosion Level: C5-M (highest industrial grade)
• Designed for outdoor and industrial environments

Lifespan & Reliability

• Cycle Life: >6000 cycles (@25°C)
• Design Life: 10 years

Certifications

• IEC62619
• IEC63056
• UN38.3
• CE / RoHS / REACH / WEEE
• VDE2510-50
• IEC62477-1

System Scalability

• Max Modules per String: 20 (19 in multi-string setups)
• Parallel Groups: Up to 6
• Total Expandable Capacity: up to 600kWh

Ideal Applications

• Residential solar storage
• Commercial & industrial systems
• Off-grid installations
• Harsh weather environments (coastal / cold regions)