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1.High reliabilityFrequency tracking, noise filtering and low distortion in inverter output because of double-conversion design
2.High adaptabilityA wide range of input frequency, which realizes stable operation of fuel generators
3.High optimal performance of the batteryAn intelligent battery management technology, which guarantees a longer battery life and decreases the times of battery maintenanceAn advanced constant-voltage charge technology, which activates the battery to the most extent, saves the charge time and guarantees a longer battery life
4.Overall and reliable protection
（1）A power-on test function, which can avoid the faults because of hazards of the inverter
（2）Efficient IGBT (Insulated Gate Bipolar Transistor) inversion technology Good high-speed switching feature, large-voltage and large current operating characteristics, and voltage drive of IGBT (The fitth-generation IGBT has a lower saturation voltage drop and higher operation efficienoy and reliability.)
| Model | NKD-8KW | NKD-10KW | NKD-15KW | NKD-20KW | NKD-30KW | |
| Rated power | 8KW | 10KW | 15KW | 20KW | 30KW | |
| Battery | Rated voltage | 96V DC/192V DC/220V DC/384V DC | ||||
| Voltage of over discharge protection | 96VDC/172V DC/194V DC/345V DC | |||||
| Controller | Rated current | 100A | ||||
| Rated voltage | 192V DC/220V DC/384V DC | |||||
| Number of inputs | 4 | |||||
| Max. current of each input | 25A | |||||
| Solar input voltage | <165VDC/<330V DC/<378V DC/<660V DC | |||||
| Voltage of overcharge protection | 220V DC/255V DC/445V DC(programmable) | |||||
| Control accuracy | ±0.1 | |||||
| Display accuracy | ±0.1 | |||||
| Efficiency | >95% | |||||
| Inverter | Input voltage | 88-132V AC/176-264V AC | ||||
| Input frequency | 45-65Hz | |||||
| Output voltage | 110V AC/220V AC | |||||
| Output frequency | 50/60Hz | |||||
| Output waveform | Pure sine wave, THD<4% (full load) | |||||
| Protection function | Output short circuit protection, over-voltage protection, under-voltage protection, low battery protection, etc. | |||||
| Manual power-on/off | Manual power-on/off preferred | |||||
| Automatic power on/off | Light-operated power-on+fixed-time power-off (programmable) | |||||
| Other | Ambient temperature for operation | 0-40℃ | ||||
| Relative humidity for operation/storage | 20-90% (No condensation, maximum) | |||||
FAQ:
Q1: What is your minimum quanlity order?
A: One set.
Q2: Are you trading company or manufacturer ?
A:We are a manufacturer in China. We have own factory in Foshan.
Q3: What is your term of payment?
A: 30% TT for deposit, balance before the shipping.
Q4:Can you supply the sample?
A: Yes. we can supply the sample order for testing .
Q5: When you can delivery the goods?
A: Sample order 3-5 days ,mass order usually 15-25 days according to the quantity.
Q6: Is this instalation easy?
A: Yes , We will provide install drawing and user manual ,and you can make a video call to get technical support.
Q7: Can you customized it for us?
A: Yes ,we can customize the logo ,color ,size ...