Not sure whether this has already been covered but the car can't tell the charger how much it needs to fully charge. Hence, if it is not fully charged at the end of the 7kW charge period, it will revert to trickle charging until it is and then drop to about 300W for a period whilst it does its...
Incorrect - the Zappi is "smart" in that it needs an internet connection which means you need to install the Hub (extra £80 or so), not a smart meter. That means your supplier will eventually have the ability to delay your charge at times of peak demand. Unlikely to matter if you charge...
And even if you do go with PV, you don't really need a Zappi - just set the timer for between 10am and 3pm or so. Unless you get a large array (>4kW) or need a full charge for long runs on consecutive days, you could probably just use the granny charger and save the £300-500 or so on a 7kW...
Solar only worth it these days if you use what you generate thereby giving you a return (saving) of around 15p/unit in addition to (now derisory) FiT and export returns. Although you might break even, it is not really worth it if you are out around the middle of the day and won't use it unless...
Software update for the car - released December so all new deliveries should now have it. Think Rolec chargers may still have an issue but they are working on it and my Zappi is fine.
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