Energy Storage BPZ Cube 60 kWh

BPZ Cube 60 is a compact, modular energy storage system with LiFePO4 cells designed for both residential and commercial applications. The system offers a nominal capacity of 61.44 kWh, with a hybrid three-phase inverter allowing direct connection to a photovoltaic installation and optional electric vehicle charging via an integrated AC charger.

The manufacturer of the device is BPZ Group sp. z o.o. based in Poland. The company is responsible for the design, execution, and battery management systems (BMS) and energy management systems (EMS). The documentation also provides the manufacturer's contact information: Tatów 7A, 76-039 Biesiekierz, Poland; www.bpz.com.pl; office@bpz.com.pl.

Key Electrical Parameters

• Cell type: LiFePO4 / 100 Ah
• Nominal capacity: 61.44 kWh
• System nominal voltage: 614.4 V
• Operating voltage range: 562.5 ÷ 681.6 V
• Depth of discharge (DoD): 80%
• Lifetime: up to 8000 cycles
• Maximum AC output power (rated): 50 kW (50 kVA)
• Maximum PV input power: 90 kW; maximum PV input voltage 1100 V
• Number of MPPT: 4; MPPT range 180 ÷ 1000 V; max. current per MPPT 40 A
• Power factor: 0.8 (advance) ÷ 0.8 (delay); THDi < 3%

Mechanical and Environmental Parameters

• Dimensions (W x D x H): 750 x 950 x 2280 mm
• Total weight: 1050 kg
• Protection class: IP55
• Permissible operating height: up to 2000 m
• Operating temperature: -20°C ÷ 50°C
• Storage conditions: -20°C ÷ 35°C; 5% ÷ 85% relative humidity, no condensation; initial SoC: 50%
• Systems and communication: BMS, EMS; CAN, RS485, Wi‑Fi, LTE