Freedom Won eTower LiFePO4 5kW 52V Battery – Safe, Scalable, and Reliable
eTower LiFePO4 5kW 52V
The Freedom Won eTower 5kW 52V Lithium Battery is a compact, high-performance energy storage solution designed for residential and light commercial solar systems. With LiFePO₄ (lithium iron phosphate) technology, this battery offers long-lasting performance, superior safety, and flexibility for modern solar setups.
Key Features
- Capacity: 5 kWh per unit with 90% depth of discharge (DoD).
- Scalable & Stackable: Parallel up to 15 units; stack up to 6 units (30 kWh total).
- Wide Inverter Compatibility: Works with many low-voltage hybrid inverters, including Victron, Sunsynk, Solis, and Voltronic (Kodak).
- Long Life & Safe: LiFePO₄ cells for high thermal stability, consistent performance, and extended cycle life.
- Warranty: 10-year limited warranty for peace of mind.
- Modular Design: Comes with module interface pedestal – no cabinet needed.
- Included Accessories: Battery cables, busbar connectors, and communication cables for inverter integration.
Why Choose the Freedom Won eTower?
1. Reliable Backup Power
Store solar energy during the day and use it at night, during outages, or to shift energy use to off-peak hours. Keep critical loads powered without relying on the grid.
2. Safe & Smart Operation
The integrated Battery Management System (BMS) monitors voltage, temperature, and cell health. It protects against overcharge, over-discharge, short circuits, and overheating, ensuring safe and balanced operation over many years.
3. Flexible & Future-Ready
Need more storage? Connect multiple units in parallel or stack vertically. The eTower is modular and scalable, ready to grow as your energy needs increase.
4. Compact & Easy to Install
The vertical 5U module design saves space and can fit in garages, utility rooms, or small commercial areas. The included pedestal allows stacking without extra cabinets.
5. Optimized for Solar Integration
Compatible with a wide range of inverters, the eTower seamlessly stores excess solar energy during the day and delivers reliable power when you need it most.
Technical Specifications
| Specification | Details |
|---|---|
| Battery Type | LiFePO₄ |
| Nominal Energy | 5 kWh |
| Nominal Voltage | 52 V |
| Depth of Discharge | 90% |
| Parallel Expansion | Up to 15 units |
| Stackable Units | Up to 6 units (30 kWh total) |
| Max Charge/Discharge Current | 50A (typical), 100A peak |
| Operating Voltage | 44–57.6 V |
| Module Design | 5U, includes pedestal |
| Communication | RS485 / Inter-modular / Victron / Type 1 Inverter cables included |
| Warranty | 10 years (limited) |
The Freedom Won eTower LiFePO₄ 5kW 52V Battery is a safe, scalable, and efficient solution for homeowners and small businesses seeking reliable backup power, better solar self-consumption, and energy independence. Its compact design, modular scalability, and smart BMS make it a future-ready choice for modern solar energy systems.
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