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Our research and development of off-grid sine wave inverter is the DC reverse into stable AC intelligent power equipment, transport facilities, the normal power supply harsh mountain environment, pastoral, border, island and other areas without electricity to provide effective protection. Equipment appearance of generosity, easy to operate, intuitive LCD indicating having AC automatic voltage regulator output and complete protection. High efficiency, low no-load loss.

`Intelligent; modular design; simple structure; Powerful
`Frequency toroidal transformer; makes the inverter efficiency; no-load loss is low
`The key components MCU control; so that the circuit structure is simple; precise control; control and flexible and powerful control strategy
`Perfect protection and alarm functions, the system has high stability
`LCD function, can be visually display battery voltage and the various state parameter information
`Pure sine wave output, relative to the square wave or modified sine wave has a stronger effect with load and load capacity
`CE certification


product number | WI03-12 | WI03-24 |
Rated output capacity | 300VA | 300VA |
Rated battery voltage | 12V DC | 24V DC |
Battery voltage protection point | 17V DC | 34V DC |
Battery overvoltage recovery point | 16.5V DC | 33V DC |
Battery over-discharge protection voltage points | 10.8V DC | 21.6V DC |
Battery over-discharge recovery voltage points | 12V DC | 24V DC |
No-load current | ≤ 0.9A | ≤ 0.4A |
Weight | 8kg | |
Reference Size | 402 * 163 * 202mm | |
Output waveform | Pure sine wave | |
display method | LCD (liquid crystal display screen) | |
Cooling | Fan cooling | |
Rated output voltage | 110/120/220/230/240 V AC | |
Waveform distortion rate | ≤ 4 % | |
Output frequency | 50/60 Hz ± 0.5Hz | |
Dynamic Response | 5% | |
Power Factor | ≥ 0.8 | |
Overload | 120% of one minute. 150% 10 seconds | |
Inverter efficiency | Maximum 90% | |
Isolation mode | Toroidal transformer | |
Noise (1 meter) | ≤ 40dB | |
Dielectric strength | 1500V AC ,1 minute | |
Protection | Inverter input voltage protection, battery over-discharge protection, reverse battery protection. Output overload protection; Output short circuit protection; overheating protection | |
Ambient temperature | -20~ 50℃ | |
Altitude | ≤ 4000m | |
Humidity | 0 to 90%. No condensation | |
In order to better serve customers, our company can be adjusted according to customer requirements and configuration parameters. | ||
product number | WI05-12 | WI05-24 |
Rated output capacity | 500VA | 500VA |
Rated battery voltage | 12V DC | 24V DC |
Battery voltage protection point | 17V DC | 34V DC |
Battery overvoltage recovery point | 16.5V DC | 33V DC |
Battery over-discharge protection voltage points | 10.8V DC | 21.6V DC |
Battery over-discharge recovery voltage points | 12V DC | 24V DC |
No-load current | ≤ 1A | ≤ 0.5A |
Weight | 9kg | 9kg |
Reference Size | 402 * 163 * 202mm | |
Output waveform | Pure sine wave | |
display method | LCD (liquid crystal display screen) | |
Cooling | Fan cooling | |
Rated output voltage | 110/120/220/230/240 V AC | |
Waveform distortion rate | ≤ 4 % | |
Output frequency | 50/60 Hz ± 0.5Hz | |
Dynamic Response | 5% | |
Power Factor | ≥ 0.8 | |
Overload | 120% of one minute. 150% 10 seconds | |
Inverter efficiency | Maximum 90% | |
Isolation mode | Toroidal transformer | |
noise ( 1 meter ) | ≤ 40dB | |
Dielectric strength | 1500V AC ,1 minute | |
Protection | Inverter input voltage protection, battery over-discharge protection, reverse battery protection. Output overload protection; Output short circuit protection; overheating protection | |
Ambient temperature | -20~ 50℃ | |
Altitude | ≤ 4000m | |
Humidity | 0 to 90%. No condensation | |
In order to better serve customers, our company can be adjusted according to customer requirements and configuration parameters. | ||
product number | WI10-24 | WI10-48 |
Rated output capacity | 1kVA | 1kVA |
Rated battery voltage | 24V DC | 48V DC |
Battery voltage protection point | 34V DC | 68V DC |
Battery overvoltage recovery point | 33V DC | 66V DC |
Battery over-discharge protection voltage points | 21.6V DC | 43.2V DC |
Battery over-discharge recovery voltage points | 24V DC | 48V DC |
No-load current | ≤0.7A | ≤0.5A |
Weight | 12kg | |
Reference Size | 402 * 163 * 202mm | |
Output waveform | Pure sine wave | |
display method | LCD (liquid crystal display screen) | |
Cooling | Fan cooling | |
Rated output voltage | 110/120/220/230/240 V AC | |
Waveform distortion rate | ≤4% | |
Output frequency | 50/60 Hz ± 0.5Hz | |
Dynamic Response | 5% | |
Power Factor | ≥0.8 | |
Overload | 120% 1 minute, 10 seconds 150% | |
Inverter efficiency | Maximum 90% | |
Isolation mode | Toroidal transformer | |
Noise (1 meter) | ≤40dB | |
Dielectric strength | 1500V AC ,1 minute | |
Protection | Inverter input voltage protection, battery over-discharge protection, reverse battery protection. Output overload protection; Output short circuit protection; overheating protection | |
Ambient temperature | -20~50℃ | |
Altitude | ≤4000m | |
Humidity | 0 ~ 90%, non-condensing | |
In order to better serve customers, our company can be adjusted according to customer requirements and configuration parameters. | ||
Note: We reserve the right to change products, product updates without notice.

`Mains switching function: When the battery undervoltage or inverter failure automatically switch to mains power supply to ensure the continuity and stability of system operation
`English display features: customization can be selected is displayed in plain English or English interface display
`Optional light control time control function: intelligent control of light intensity according to the inverter output, no manual control in three ways: light control switch; light control open; time control off; normally open; this feature to be supporting our control use.