Review on Enhanced Cigarette Lighter Splitter: NDDI POWER 12V/24V 3-Socket Car Adapter with 20W PD3.0 USB-C, Quick Charging QC3.0 USB Ports, LED Display Voltage, Upgraded On/Off Switch by Jason Vigen

At first I had time to test the product and it worked as intended; All 12 volt outlets work, as do USB ports for fast charging. Second, g: My 2 biggest complaints are that the voltmeter isn't very accurate and the 3M glue appears to be fake. When the vehicle is in the ACC key position and not driving, the battery voltage is 12.8V (tested with a voltmeter). In the car, the voltage displayed on the product is 12.3V. This is about 0.5V, which according to the manual should only be -/+0.2V. I also got the same results when the car is running. with a 14V voltmeter, and the volt meter on the product is 13.5V. Finally, the included 3M adhesive pads never worked; After peeling off the red tape, the pads were free of any sticky material. I was forced to use my own.