I didn’t read all the replies but the Volt and I assume Bolt have 14 gauge cable not 16. That limits the charge rate to around 12 amps due to the length of the cord. It still gets warm near the plug. It also will make house wire get pretty warm depending on the run and wiring condition. I have felt exposed 12 gauge while charging at 12 amps awhile, and it was warm. Some runs are very long. I don’t know what all the comparison is about, they all work the same afaik. Don’t want to catch your house on fire.