Freedom Won 5kW E-Tower 2 Li-Ion Battery
COMING SOON!
🔋 Freedom Won eTower 2 Lithium Battery
Model: eTower 2
Brand: Freedom Won
Type: Modular Low-Voltage LiFePO₄ Stackable Battery System
⚡ Key Features
- Modular battery design allowing expansion from 5 kWh to 30 kWh per tower.
- Supports 1 to 6 battery modules stacked vertically within a single tower.
- Fully compatible with previous-generation Freedom Won eTower systems.
- Integrated Wi-Fi and Bluetooth connectivity for remote monitoring via mobile applications.
- Premium LiFePO₄ battery chemistry for enhanced safety, stability, and long service life.
- Intelligent Battery Management System (BMS) with overcharge, over-discharge, overcurrent, and temperature protection.
- Active voltage-based charge current limiting for improved battery protection.
- Built-in forced-air cooling system for stable operating temperatures.
- Compatible with most 48V hybrid and off-grid inverters via CAN Bus and RS485 communication.
- Silent, maintenance-free operation with zero emissions.
- Scalable energy storage solution for residential and light commercial applications.
- Designed exclusively for parallel operation.
📐 Specifications
| Specification | Value |
|---|---|
| Battery Chemistry | LiFePO₄ (LFP) |
| Nominal Voltage | 51.2 V |
| Operating Voltage Range | 47 V – 56 V |
| Energy per Module | 5 kWh |
| Maximum Tower Capacity | 30 kWh |
| Modules per Tower | 1 – 6 |
| Current Capacity | 100 Ah per module |
| Maximum Charge Current | 80 A per module |
| Continuous Charge Current | 70 A per module |
| Maximum Discharge Current | 100 A per module |
| Continuous Discharge Current | 90 A per module |
| Communication | CAN Bus / RS485 |
| Connectivity | Wi-Fi / Bluetooth |
| Cooling Method | Forced Air Cooling |
| Cycle Life | 4,000 cycles at 80% DoD |
| Service Life | >10 Years |
| Warranty | 5 Years |
| Configuration | Parallel Only |
| Installation | Stackable Tower System |
📏 Physical Specifications
| Specification | Single Module | Maximum Tower (6 Modules) |
|---|---|---|
| Energy Capacity | 5 kWh | 30 kWh |
| Current Capacity | 100 Ah | 600 Ah |
| Maximum Recommended Inverter Size | 5 kVA | 30 kVA |
| Dimensions (H × W × D) | 249 × 467 × 426 mm | 1420 × 467 × 426 mm |
| Weight | 52 kg | 312 kg |
🔧 Technical & Build
| Specification | Details |
|---|---|
| System Type | Modular Low-Voltage Battery System |
| Battery Management | Integrated Electronic BMS |
| Protection Functions | Overcharge, over-discharge, overcurrent, temperature protection |
| Cooling | Forced Air Cooling |
| Monitoring | Mobile App Monitoring |
| Expansion | Up to 6 modules per tower |
| Communication Protocols | CAN / RS485 |
| Inverter Compatibility | 48V Hybrid and Off-Grid Inverters |
| Installation | Floor-standing stackable tower |
ℹ️ Additional Information
- Ideal for residential backup systems, hybrid solar installations, and light commercial energy storage.
- Existing Freedom Won eTower systems can be expanded using eTower 2 modules.
- Real-time battery monitoring is available through integrated Wi-Fi and Bluetooth connectivity.
- Designed exclusively for parallel operation and must not be connected in series.
- Professional installation and commissioning are recommended.
🏷️ Quality & Support
The Freedom Won eTower 2 delivers flexible, intelligent, and expandable energy storage for modern homes and small businesses. Featuring premium LiFePO₄ technology, integrated wireless monitoring, advanced battery protection, and seamless inverter compatibility, the eTower 2 provides reliable backup power and long-term energy independence. Backed by a 5-year warranty and a design life exceeding 10 years, it offers dependable performance for residential and light commercial applications.

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