AC output voltage on my inverter never goes higher than 108 volts and can be as low as 102 even with strong input voltage and current. The builtin digital voltage display is off by 5 volts when compared to Kill-o-watt meter and a digital meter. Very loud fans run for no reason about every 10 or 15 minutes for a minute even when load is less than 60 watts. I can hear them from anywhere in the house. I do not have an oscilloscope but not sure it is pure sine wave because my window fans and refrigerator tend to run slow but this could also be due to the low voltage. When there is no load except a couple florescent bulbs they flicker but when load is added they are okay. If you cannot afford a quality North American inverter this one does work but depends on the definition of "works". I have learned you cannot go by the manufacturer claims for inverters from China. Seems to be part of the culture to exaggerate or get creative about documented performance. I may have to go back to my old inverter even though it can only handle about 600 watts.Read full review
Verified purchase: Yes | Condition: New
solid well built construction would liketo have the specifications added he the sparce manual. Ie the cut-off voltages would be good
Verified purchase: Yes | Condition: New
The inverter was easy to install. But, the hook-up wires supplied were too short. Easy enough to correct.
Verified purchase: Yes | Condition: New
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