Freedom Won eTower e5000 battery

Product Description:
The Freedom Won eTower e5000 battery is a modular, economical, and high-performance energy storage solution designed for residential and light commercial applications. With 5kWh per module and the ability to stack up to four units for a total of 20kWh, this battery delivers exceptional flexibility, long lifespan, and reliable performance.

Its compact 5U module design allows for tower stacking, rack mounting, or wall installation, making it ideal for space-conscious energy setups. The built-in Battery Management System (BMS) ensures safe operation with multiple protections against voltage, current, and temperature extremes. The eTower integrates seamlessly with CAN Bus and RS485-compatible inverters, ensuring broad compatibility across systems.

Key Features:

• Battery Type: Lithium Iron Phosphate (LiFePO4)

• Nominal Energy: 5kWh per module

• Nominal Voltage: 52V (48V nominal system rating)

• Capacity: 100Ah

• Cycle Life: 4,000+ cycles

• Scalability: Stackable up to 4 units (20kWh total capacity)

• Warranty: 10-year limited warranty

• Installation Options:

  • Tower stacking with included pedestals

  • 19” rack mounting (brackets sold separately)

  • Vertical wall or floor mounting (terminals up)

• Communication Protocols:

  • CAN Bus (RJ45) – compatible with all major CAN-enabled inverters

  • RS485 – supports Voltronic Axpert inverters with lithium interface firmware

  • RS232 – firmware and settings (Freedom Won technicians only)

• Protection Features:

  • Over-voltage and under-voltage protection

  • Over-current protection

  • Temperature protection (high/low)

  • Short-circuit protection

  • Weak cell detection

  • Minimum SOC control

  • Voltage-based charge current limiting

• Design Life: >15 years

Specifications:

• Energy Storage: 5kWh per unit

• Nominal Voltage: 52V

• Capacity: 100Ah

• Cycle Life: 4,000+ cycles at 80% DOD

• Operating Temperature: 0°C to 55°C (charge), -20°C to 55°C (discharge)

• Enclosure: Steel, indoor use only, painted white

• Dimensions: 5U module form factor

• Connections: Integrated M6 DC terminals, busbars, and communication ports

• Weight: Approx. 45kg per module

Included Accessories:

• 1 × e5000 plastic pedestal (for tower stacking)

• 1 × 1.8m red 35mm² battery cable (M6 lug)

• 1 × 1.8m black 35mm² battery cable (M6 lug)

• 2 × busbar connectors (black and red with heat-sinks)

• 1 × inter-modular communication cable

• 1 × 1.8m inverter communication cable (brand dependent)

• 1 × 1.8m RS485 communication cable