The installation took ages from the go ahead with several checks, miscommunications and lost reports. When the day of the final installation arrived the engineer was extremely profffesional and safety conscious. I could see that all the necessary regulations were scrupulously followed and the guy was a hero working, without complaint, in appalling weather conditions. The unit charges well and as advertised but, having opted for the more expensive unit, the Dashboard App Returns nonsense data concerning the amount of energy used (kWh).. on the plus side Alec, one of your support team, is on the case and is keeping me up to date on the status of a fix.