| Model | NKH-3KW | NKH-5KW |
| Rated Power | 3000W | 5000W |
| Input | ||
| Voltage | 208VAC/220VAC/230VAC/240VAC | |
| Selectable Voltage Range | 170-280VAC(For Personal Computers) | |
| 90-280VAC(For Home Appliances) | ||
| Frequency Range | 50Hz/60Hz(Auto sensing) | |
| Outpuf | ||
| AC Voltage Regulation (Batt .Mode) | 208VAC/220VAC/230VAC/240VAC5% | |
| Surge Power | 6000VA | 10000VA |
| Efficiency (Peak)PV to INV | 97% | |
| Efficiency (Peak)Battery to INV | 94% | |
| Transfer Time | 10 ms | |
| Overlord Capacity | 1min@102%-110%Load,10s@110%-130%Load, 3s@130%-150%Load,0.2s@>150%Load | |
| Battery &AC Charge | ||
| Battery Voltage | 24VDC | 48VDC |
| Floating Charge Voltage | 27VDC | 54VDC |
| Overcharge Protection | 32VDC | 64VDC |
| Maximum Charge Current | 60A | 80A |
| pV Charge | ||
| Maximum PV Array Power | 1500W | 5500W |
| MPPT Range Operating Voltage | 30-115VDC | 120-430VDC |
| Maximum PV Array Open Circuit Voltage | 145VDC | 450VDC |
| Maximum Charge Current | 60A | 80A |
| Maximum Efficiency | 98% | |
| AC+PV Charge | ||
| Maximum Charge Current | 120A | 80A |
| Physical | ||
| Dimension D*W*H(mm) | 439*320*128 | |
| Net Weight(kg) | 8 | 9.2 |
| Communication interface | USB/RS232/GPRSWIFI | |
| Opera Ting Environment | ||
| Humidity | 5%to 95%Relative Humidity(Non-condensing) | |
| Operating Temperature | 0ºC-55ºC | |
| Storage Temperature | -15ºC-60ºC | |
