Energy Storage Volt Polska Ultra-5 51.2V 100Ah 100A

The RACK ULTRA-5 51.2V 100Ah 100A energy storage system is a battery module based on lithium iron phosphate (LiFePO4) cells designed for energy storage from photovoltaic installations. The device is designed for home and public space applications (restaurants, hotels, shops, facilities), offering high longevity, safety, and the possibility of expansion in parallel configurations.

Manufacturer: VOLT POLSKA SP. Z O.O., ul. Świemirowska 3, 81-877 Sopot. The product is designated with model number 51.2V100-WM4 (INDEX: 6AES51R010, EAN: 5904100452620). In the documentation, the manufacturer indicates the use of an integrated BMS managing cell parameters and protecting the storage from overcharging, discharging, and extreme temperatures.

Electrical Parameters

• Nominal voltage: 51.2 V
• Nominal capacity: 100 Ah
• Energy capacity: 5120 Wh
• Recommended charging voltage: 56 V
• Maximum charging voltage: 58.4 V
• Recommended charging current: 20 A
• Maximum continuous current: 100 A
• Energy efficiency: >98%
• Cyclic life: 6000 cycles (0.2C, 25°C, 80% DOD)
• Disconnection/cut-off discharge threshold (BMS): 43.2 V

Mechanical and Operational Parameters

• Terminal type: Plug-in
• Terminal tightening torque: 8.5 Nm
• Enclosure material: SPCC
• Net dimensions (LxWxH): 442 x 480 x 155 mm
• Net weight: 42.5 kg
• Gross dimensions (LxWxH): 500 x 555 x 220 mm
• Gross weight: 44.1 kg
• Maximum number of devices in parallel configuration: 16 pcs.
• Series connection: not allowed
• Operating temperatures: charging 0 to 55°C, discharging -20 to 55°C, storage -20 to 45°C