Soluna BES 5K 51.2V 100A

Soluna BES 5K – 5.12kWh Lithium LFP Battery for Solar Energy Storage The Soluna BES 5K is a compact and high-efficiency 51.2V lithium battery designed for residential and small commercial solar energy storage systems. With a nominal capacity of 5.12kWh, 6000 cycle life, and support for parallel expansion up to 80kWh, it delivers reliable, long-term energy storage with minimal maintenance. This battery is engineered with LiFePO₄ (LFP) chemistry for enhanced safety, high depth of discharge (90% DoD), and superior thermal stability. It comes with built-in WiFi, CAN/RS485 communication, and is compatible with most inverters, making integration into new or existing systems seamless. Key Specifications (List Format) Model: Soluna BES 5K Battery Type: Lithium LFP (LiFePO₄) Nominal Capacity: 5.12 kWh Nominal Voltage: 51.2V Voltage Range (Usable): 48V – 57.6V Max Charge Current: 75A Max Discharge Current: 100A Depth of Discharge (DoD): 90% Cycle Life: 6000 cycles (at 90% DoD, 25°C) Round-trip Efficiency: >95% BMS (Battery Management System): Built-in Communication: CAN, RS485, WiFi Installation: Wall-mounted / Floor-stand Ingress Protection: IP65 Parallel Expansion: Up to 16 units (80kWh) Certifications: UN38.3 Cooling Method: Natural Convection Monitoring Platform: Soluna eCloud (Mobile App) Technical Specifications (Table Format) Specification Details Battery Type Lithium LFP (LiFePO₄) Nominal Capacity 5.12 kWh Nominal Voltage 51.2 V Usable Voltage Range 48 – 57.6 V Max Charge Current 75 A Max Discharge Current 100 A Depth of Discharge (DoD) 90% Cycle Life 6000 Cycles Round-trip Efficiency >95% Communication Interfaces CAN, RS485, WiFi Installation Type Wall-Mounted / Floor-Standing Parallel Connection Support Yes, up to 16 units (80kWh) Ingress Protection Rating IP65 Cooling Strategy Natural Convection Operating Temperature -10°C to 50°C Recommended Operating Temp 15°C to 30°C Dimensions (H x W x D) 580 x 420 x 155 mm Weight 48 kg Certifications UN38.3 Soluna Bes 5K