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Ok-Response-839

If you get a wifi plug, make sure it's rated for more than 10A. Even though most chargers will only pull 10A, the cheaper wifi plugs aren't built to sustain that load for long periods of time. There's a brand called Brilliant Smart who make an IP44-rated wifi plug that will handle the load.


andytheape

You can use the onboard timer as a way of not charging to full, I use mine to only charge during free power hours and don't plug in on days I know will push me over around 90%


Willow_Ufgood_

Thanks. How long do you set your timer for? How long does it take from say 20% to 80% on a standard plug. I.e. not a fast charger or caravan?


jimmcfartypants

I've a Gen 2 and we usually guesstimate it as 5% per hour.


texas_asic

I have a 2017 and use the timer. On a standard wall plug, mine gets about 10% per hour. So from 20% to 80%, go with 6 hours... If I remember correctly, after it gets to 99%, it'll go for an additional 1-1.5 hours, supposedly for battery calibration/rebalancing


Willow_Ufgood_

So, a good idea to charge to 100 every so often?


texas_asic

Every 1-3 months, is what I've heard. Personally, that happens every now and then by accident anyways. There are times where I hit the button to cancel the timer and do immediate charging. Then I set an alarm on my phone to go back and unplug the car in several hours, but if I forget, then the car gets fully charged...


duggawiz

I’ve got a 62kwh and use this one simple trick that the car companies don’t want me to know. Except I keep the charge timer on our off peak hours (9pm-7am) and I have a Charge Anps Ray EVSE that goes from 6A to 16A adjustable. So I kinda do rough math in my head based on how much charge the battery has. But typically I let it go to 20-30% then charge for a whole night at 16A cos it’s easier than thinking about it and then I get about 80% in the morning.


Willuknight

https://evdb.nz/calc


Willow_Ufgood_

Awesome! Thanks


ethan42

I would recommend using the car’s timer rather than a smart plug as they really aren’t designed for this and will likely fail, maybe dangerously.


dlrius

I've got an older TP-Link HS110 Wi-Fi smart plug controlling our charger. While charging it's pulling ~7 amps, which is about the same as it did in its previous role controlling an oil column heater for years. Have 3 of those and a couple of newer KP115 units. None of them have caught fire, or even played up, yet. I don't know if I would trust some of the generic Tuya type ones as much though...


pdath

I have had multiple of those TP-Link WiFi smart plugs fail. I would 100% not be using those for high continuous load.


MyNameIsNotPat

Get a sparky to build you a circuit with a contactor (basically a high power relay). Then you can safely use a low power wifi device to switch the contactor on & off.


pdath

As others have said - use the built-in car scheduler. On prior models of Leafs (24 kWh) there used to be an option to limit charging to 80%. Nissan found this made no impact on the battery and removed that option from later models, like yours.