Good inverter but can be improved
The inverter is easy to commission, but the diagram for connecting the battery is unreadable. A little effort, APC.
Used to protect a computer system and the box in a village where there are frequent power cuts, the thing does the job. Very quiet in operation. In the event of a power cut, it signals the cut without tearing your ears, a good point for it.
On the other hand, the lighting of the front panel by leds was not essential, the on/off button would have been enough. This debauchery of light can be practical to get up at night, otherwise I do not see. The inverter heats up slightly, which is normal, it also heats up if it is switched off, but remains connected. It is therefore necessary to unplug it in case of prolonged absence.