| Model | NKG-10KW | NKG-15KW | NKG-20KW | NKG-30KW | NKG-40KW |
| Rated power | 10KW | 15KW | 20KW | 30KW | 40KW |
| Battery | Rated voltage | 192VDC/220VDC/384VDC | 384VDC |
| Voltage of over discharge protection | 172VDC/194V DC/345VDC | 345VDC |
| Controller | Rated current | 100A |
| Rated voltage | 192VDC/220VDC/384VDC |
| Number of inputs | 4 |
| Max. current of each input | 25A |
| Solar input voltage | <330VDC/<378VDC/<660V DC | <660VDC |
| Voltage of overcharge protection | 220VDC/255VDC/445VDC(programmable) | 445VDC(programmable) |
| Control accuracy | ±0.1 |
| Display accuracy | ±0.1 |
| Efficiency | >95% |
| Inverter | Input voltage | 176-364VAC/304-456VAC |
| Input frequency | 45-65Hz |
| Output voltage | 220VAC/380VAC ( three-phase four-wire) |
| 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 |
| 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 | 0-40ºC |
| Relative humidity for operation/storage | 20-90% (No condensation, maximum) |






Q: What is the MOQ?A One unit can also be customized.
Q:Are you manufacturer or trading company?
A We are professional manufacturer.
Q: What payment methods can I use? And how secure is my payment?
A : Accept your payment through Bank Transfer,Western Union, LC,Paypal etc.
Q: I need this product and wanna a system for family/industrial/commerical using,can you help me?
A Yes,we have professional technology team average 10 years experience, we can design solar power system in accordance with customers' special requirements.
Q:Can you supply the sample?
A Yes, we can supply the sample order for testing.
Q:Why choose us?
A 1) Prompt delivery and good after-sale services.
2) We have our own factory, the selling prices is competitive.
3) All of our products have CE certification, ISO9001:2008, RoHS.
4) 100% new materials for production and superior quality.
5) Professional engineer designers.