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| Battery Cell | Specification Model | 280Ah |
| Capacity | 280Ah | |
| Nominal Voltage | 3.2V | |
| Internal Resistance | ≤0.4mΩ | |
| Combination Mode | 16S1P | |
| Grouping Standard | Tolerance < 1% | |
| Single Section Internal Resistance Range < 0.2mΩ | ||
| Single Section Voltage Difference ≤ 5mV | ||
| Charge Retention Capacity > 90% | ||
| Parameter | Nominal Voltage (V) | 51.2 |
| Nominal Capacity (Ah) | 280 | |
| Charging Cut-off Voltage (V) | 58.4 | |
| Discharge Cut-off Voltage (V) | 40 | |
| Maximum Continuous Discharge Current (A) | 200 | |
| Standard Charging Current (A) | 50 | |
| Charging Temperature | 0℃ ~ 45℃ | |
| Discharge Temperature | -20℃ ~ 65℃ | |
| Battery Size | 645 * 275 * 840mm | |
| Battery Weight | 135Kg | |
| Storage Temperature Range | -20℃ ~ 55℃ | |
| Storage Humidity (RH) | 5% ~ 95% (No Condensation) | |
| Management System | Single Overvoltage Protection Value | 3.65V |
| Overpressure Release Value | 3.55V | |
| Single Undervoltage Protection Value | 2.5V | |
| Undervoltage Release Value | 2.7V | |
| Overcurrent Protection Value | 210A | |
| Inverter | Model | 5048MH |
| Input | Input Source | L + N + PE |
| Rated Input Voltage | 220/230/240VAC | |
| Voltage Range | 154-264VAC ± 3V (APL Mode), 185-264VAC ± 3V (UPS Mode) | |
| Frequency | 50Hz/60Hz (Automatic Adaptation) | |
| Output | Rated Capacity | 5000W |
| Output Voltage | 220/230/240VAC ± 5% | |
| Output Frequency | 50/60Hz ± 0.1% | |
| Wave Form | Pure Sine Wave | |
| Transmission Time | Computer (UPS mode) 10ms, Home device (APL mode) 20ms | |
| Peak Power | 10000VA | |
| Overload Capacity | Battery Mode: 21s @ 105%~150% Load, 11s @ 150%~200% Load, 400ms @ >200% Load | |
| Peak Efficiency (Battery Mode) | >94% | |
| Battery | Battery Voltage | 48Vdc |
| Constant Charge Voltage (Adjustable) | 56.4Vdc | |
| Floating Charge Voltage (Adjustable) | 54Vdc | |
| Charger | PV Charging Mode | MPPT |
| PV Input Maximum Power | 5500W | |
| MPPT Tracking Range | 120 ~ 500Vdc | |
| Optimum Voltage | 300 ~ 400V | |
| PV Input Voltage Maximum | 500Vdc | |
| PV Charging Current Maximum | 80A | |
| AC Charging Current Maximum | 80A | |
| Charging Current Maximum | 80A | |
| Display | Liquid Crystal Display | Display running mode, load, input, output, etc. |
| Environment | Operating Temperature | 0 ~ 40℃ |
| Humidity | 20% ~ 95% (Non-Condensing) | |
| Storage Temperature | -15 ~ 60℃ | |
| Altitude | No more than 1,000 meters above sea level (derated above 1,000 meters, maximum 4,000 meters, refer to IEC62040) | |
| Noise | ≤50 dB |