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Z20 Energy Storage System
Brand: ViZn Energy Systems, IncThe Z20 Energy Storage System is self-contained in a 20-foot shipping container. On-board chemistry tanks and battery stacks enable stress-free expansion and unmatched reliability.
Three to five battery stacks per Z20 provide 48 kW to 80 kW power with 160 kWh energy. Automated ventilation is the only temperature control needed. Systems are easily interconnected for higher power and energy requirements.
Features- High power, short duration
- High capacity, long duration
- State of Charge access
- Safety
- Value
Specifications
Brand
Exterior Dimensions
- 20’ L x 8” W x 9’6” H
ESU Weight Dry/wet
- 18,000/50,000 lbs (8,165 kg / 22,680 kg)
Nominal Power
- 28 kW
Energy at Nominal Power
- 160 kWh
Duration at Nominal Power
- 5.65 hr
Maximum Power
- 80 kW
Energy at Maximum Power (Continuous Charge Discharge)
- 125 kWh (160 kWh at nominal power)
Duration at Maximum Power
- 1.5 hr (1.9 hours for Z20-4)
Nominal DC Voltage Range (Min/Max)
- 40-60 Vdc
Nominal DC Current Range
- 470-700 A
Maximum DC Current Range
- 1,320-2,000 A
ESU Efficiency
- > 74 % at nominal power, 65 % at max power (typical inverter at 95 % efficiency) at unity power factor
Stack Efficiency
- 90 % at nominal power, 80 % at max power
Auxiliary Power Required
- 208 Vac, 60 Hz, 3-Phase
Communication
- USB, 485, Modbus Ethernet
Humidity
- 5-95 % (Non-Condensing)
Safety/Regulatory
- Designed using industry standard guidelines