Freedom Won eTower E5000 5 kWh LiFePO₄ battery, a modular, stackable, high-performance energy storage solution built for residential and light commercial solar systems. Each E5000 unit delivers dependable 52 V output and supports parallel or tower stacking up to six modules. With advanced BMS protection, long design life, seamless inverter interfacing, and all necessary accessories included, the the eTower E5000 is ready for plug-and-play deployment in off-grid, hybrid or backup applications.
Key Features
-
5 kWh nominal capacity per module, suitable for 52 V (48 V inverters) systems
-
Stackable or rack-mountable up to 6 modules (30 kWh total) for scalable energy systems
-
Wide operating voltage range: 47 V to 56 V nominal (nominal 52 V)
-
High continuous discharge and charge currents suited for heavy loads
-
Comprehensive internal protection: overcharge, overdischarge, overcurrent, temperature, weak cell detection, balancing
-
Multiple communication interfaces (CAN bus, RS485, RS232) for seamless inverter and system integration
-
Human-interface LEDs: SOC indicator, alarm, run, on/off switch, BMS reset, etc.
-
Includes accessories: pedestal stacking bases, busbars, DC cables (35 mm²), communication cables, inverter interface cables
-
Warranty: 10-year limited; design life in excess of 15 years
Technical Data Table
| Parameter | Value / Range |
|---|---|
| Nominal Voltage | 52 V (min 47 V, max 56 V) |
| Nominal Capacity | 100 Ah per module |
| Nominal Energy | 5.0 kWh per module |
| Usable Energy (80% DoD) | 4.0 kWh |
| Usable Energy (90% DoD) | 4.5 kWh |
| Max Continuous Charge Current | 70 A |
| Max Continuous Charge Power | ~3.6 kW |
| Max Continuous Discharge Current | 90 A |
| Max Continuous Discharge Power | ~4.7 kW |
| Recommended Inverter Matching | 5 kVA (single module) |
| Combined Weight (single module) | ~45 kg |
| Dimensions (HxWxD, with pedestal) | 247 × 460 × 463 mm |
| Enclosure | Steel, indoor-rated, painted white |
| Communication Interfaces | CAN bus, RS485, RS232 |
| Protection Features | Overcharge, overdischarge, overcurrent, temperature, balancing, weak cell detection |
| Warranty | 10 years limited |
| Design Life | > 15 years |



























