Description
Description
The SOLUNA BES 5K Low Voltage Lithium Battery (5.12kWh, 51.2V) is a powerful and reliable energy storage solution for homes, businesses, and solar systems. Built with Lithium Iron Phosphate (LFP) technology, it delivers more than 6000 cycles with over 95% round-trip efficiency, ensuring maximum energy savings and long-term reliability.
Designed with IP65 ingress protection, this battery is suitable for both indoor and outdoor installation, with wall-mounted and floor-standing options. Its expandable capacity up to 80kWh, built-in Wi-Fi, and communication cables make it future-ready and compatible with most inverters.
The SOLUNA BES 5K is backed by a IP65, making it the ideal choice for smart, scalable, and efficient solar energy storage.
Key Features
| Feature | Specification |
|---|---|
| Model | SOLUNA BES 5K Low Voltage Battery |
| Battery Type | Lithium Iron Phosphate (LFP) |
| Nominal Capacity | 5.12 kWh |
| Nominal Voltage | 51.2V |
| Usable Voltage Range | 48V – 57.6V |
| Max Charge Current | 75A |
| Max Discharge Current | 100A |
| Depth of Discharge (DoD) | 90% |
| Internal Resistance | ≤ 60mΩ |
| Cycle Life | 6000+ cycles |
| Round-Trip Efficiency | >95% |
| BMS | Integrated with MOSFET Fuse |
| Monitoring Platform | Soluna eCloud (Android & iOS Apps) |
| Communication | CAN, Wi-Fi, RS485 |
| Power Consumption | <3W (working), <100mW (sleep) |
| Installation Options | Wall-mounted / Floor-standing |
| Expandability | 1–16 units in parallel (up to 80kWh) |
| Dimensions (HxWxD) | 580 × 420 × 155 mm |
| Net Weight | 48 kg |
| Cooling Strategy | Natural Convection |
| Operating Temperature | -10°C to 50°C |
| Recommended Temperature | 15°C – 30°C |
| Storage Temperature | 15°C – 30°C |
| Humidity Conditions | 5% – 95% (non-condensing) |
| Altitude Limit | ≤ 2000m |
| Ingress Protection | IP65 (water & dust proof) |
| Certifications | UN38.3, Class 9 Safety Compliant |
| Hazardous Material Class | Class 9 |
| System Compatibility | Works with most inverters |
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