Specs – DELTA Pro Ultra (Inverter)
- Dimensions: 690 × 481 × 214 mm
- Gross Weight: 41.7 kg
- Net Weight: 32.1 kg
Capacity
- Maximum Battery Capacity: 6 kWh (6144 Wh)
- Maximum Expandable Capacity: 30 kWh (6144 Wh x 5)
Power Input/Output
- High-PV Input: 80-450V-15A 4000W Max
- Low-PV Input: 30-150V-15A 1600W Max
- AC Input: Charging/Bypass: 200-240V~12.5A, 50/60Hz
- Power Input/Output: 200-240V~30A, 50/60Hz 6900W Max
- AC Output: Discharge : 230V 50Hz 6900W total, 13A(×4) Max per port, 30A(×1) Max per port: Bypass: 220-240V 50/60Hz 2900W total, 12.5A(×5) Max per port
- DC Output: 12.6V⎓30A, 378W max
USB Ports
- USB-C: 5/9/12/15V-3A 20V-5A 100W(×2) Max per port, total 200W
- USB-A: 5V-2.4A 12W(×2) Max per port, total 24W
Temperature / Operation
- Charging:-20~45℃
- Discharging:-20~45℃
- Storage: -20~45℃
- Operating Humidity: ≤90%
- Maximum Operating Altitude: ≤3000m (9842 ft)
- Noise Level: <=30dB
- UPS: < 20ms
Communication Method
- Wifi 2.4GHz / Bluetooth 5.0
Ingress Protection Rating:
- IP54 (IP54 rating applies only when all ports are properly covered)
Warranty Period
- 5 Years
Specs-Delta Pro Ultra (Extra Battery)
Model: EFYJ751-BP
- Name: Rechargeable Li-ion battery pack
- Net Weight: 50.7 kg
- Dimensions: 660 × 455 × 204 mm
- Capacity: 102.4V⎓60A, 6,144Wh
- Cell Material: LFP
Cycle Life
- The battery maintains 80%+ SOH (state of health) after 3,500 cycles at 0.5C/0.5C at 25°C
Protection type
- Overvoltage protection, overload protection, overtemperature protection, short circuit protection, low temperature protection, low voltage protection, overcurrent protection
Temperature
- Discharging temp: −20°C to 45°C
- Charging temp: −20°C to 45°C
- Storage temp: −20°C to 45°C (optimum: −20°C to 45°C)
Altitude
- ≤3,000 m (9,842 ft.)
IP Rating
- IP54 (IP54 rating applies only when all ports are properly covered)






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