Review on BESTEK 200W Power Inverter, DC 12V to AC 110V Car Inverter with 7.8A 4 USB Ports, Multi-Protection Car Charger Adapter, ETL Listed - White by Miro Dadee

Originally rated 4 stars but now downgraded to 1 star after some use. This is a nice inverter, very quiet and appears to be of good quality. However, the problem is that the output voltage fluctuates depending on the load. It outputs about 80 volts with no load, then ramps up to 105 with load and slowly ramps up to 110. It takes a few minutes to reach 110, and in the meantime everything connected to the network has power. Fans hum, computers flicker, not exactly how an inverter should work. Also, the device is finicky about the input voltage, tripping above 13.8 volts. So when the car is off, it runs but flashes and complains when the battery is being charged by the alternator. Too offensive in my opinion.