BYD Atto 3 - My charging setup

[@paulmcgougan]

Good sensible advice.

[@aamir122a]

I am charging at 32 Amps at home on Atto 3 extended , do you think it is too much , should I be charging at 16 Amps for better battery life . FYI unless an emergency do not intend to use fast DC chargers.

[@EVswitch]

32 amps is fine. Any type2 charging is best for battery life. I just charge on 15amps because cheaper for my circumstances.

[@simonpaine2347]

I mostly charge at 6amps which is the lowest setting on my "charger". When I need to charge faster I just up the amps to 10, 15 22 or very rarely the highest 32. This is for 2 reasons. I charge from my solar system, so I don't want to charge more than the system can deliver and put too much strain on my home batteries, but mainly because I firmly believe that effectively trickle charging the batteries for most of the charging, even though it's not the most efficient, is the better for the long term health of the battery.

[@alanmacalister7709]

We use say 5 to 10 kWh per day unless tripping. So if I follow correctly, if not concerned about GOM accuracy, the best recharging practice for our Atto 3 is at up to 32 amps in the range 40% to 60% and only to 100% pre lon0ger trips and

[@EVswitch]

Yes, I think you'd be fine doing that. However (disclaimer) BYD recommend charging to 100% once a week. Personally I get my SOC up to 100% once every 2 to 3 weeks. The LFP battery in the atto3 is far more forgiving charging to 100% than a NMC battery, so I wouldn't be too concerned charging to 100% more often. Just don't leaving it sitting on 100% for days.

[@agony2491]

hello, is there any way limit power charging on my byd, currently its on 6-7kwh and when its plugged in power goes out in my house as it cant handle that much power usage

[@EVswitch]

Not on the car side as far as I know. But with my charger there is a button to switch between 8Amp and 15Amp modes. This need to be set before I plug into my car. However it sounds like you'll need an electrician to install something like a 32Amp RCBO and cable that can handle 7kW. You are risking a house fire if you don't upgrade your wiring to handle such current (Your power switches off for safety). Although in my case I'm only charging at 3kW (on 15Amp mode) which is still too much for standard house wiring. The max I'd charge my car on standard house wiring is in 8Amp mode or with supplied 8Amp granny charger (which is around 1.5kW).

[@JesusmyLordSaviorand]

Great information regarding state of charge and calibration. I might add the lower the amperage during charge the better it is for the health of the battery. I can share the information from electrochemical and also research on EV battery from a University .

[@EVswitch]

Thank you. If you have a link to the info, that would be interesting.

[@JesusmyLordSaviorand]

@@EVswitch Inferening from time 26mins 43sec. from kzbin.info/www/bejne/b6Wsdql3YrKVbpYsi=LTj0JunnTuHmPh5T

[@ullischnulli9614]

Hello EV switch, thank you for your detailed presentation, I couldn't have said it better. Sorry for German language, my English is bad, it just takes too long. A translator for reading is faster. We live in Northern Germany. It looks exactly the same here with all the wind turbines and cornfields. Für meine Frau und mich möchte ich einen BYD Dolphin kaufen. Seit 3 Jahren fahren wir einen VW Golf 8 Plug in Hybrid. Der fährt sehr gut, aber das häufige Laden ist lästig bei dem kleinen Akku. Der BYD kann ja auch V2L, Du hast ja ein Video darüber gemacht. Und die BYD haben langlebige FTP-Akkus, bekommen wir durch viel Fahren nie kaputt. Und sicherer als ein NMC ist der LFP allemal. Hier gibt es nur wenige BYD, und das technische Wissen darüber ist sehr rah. Deshalb freue ich mich, einen technikversierten Menschen wie Dich, der sich mit der BYD Technik gut auskennt, gefunden zuhaben. Es hört sich an, als wärest Du mit dem Auto sehr zufrieden, das ist für mich ein gutes Zeichen. Ich schaue mir Deine Videos gern an, Du hast eine ruhige, verlässliche Art, die Dinge zu erklären. Mach bitte weiter so👍. Gruß Ulli

[@EVswitch]

Thank you for taking the time to comment. I was in Germany in 2007 and was impressed with all the solar panels I saw as I traveled by train through the countryside. In 2007 Australia had hardly any renewable energy, but in the last 10 years it has grown hugely, and now in South Australia we reach nearly 100% wind and solar often in the middle of the day. It's great to see. My sister has bought a BYD Dolphin and she loves it. She knows a lot more about electric cars than me and has converted a car to electric in the past. I plan to do a video with her soon. So look out for that one.

[@ullischnulli9614]

Great, then you know Europe too😀. In Germany, electricity generation from renewable energies rose to 56 percent in 2023 and we often have overproduction and a lack of storage. A video about your sister's Dolphin would be great. I would also be interested in the consumption and range. BYD only states 7 km more range for the WLTP than for the Atto 3. That can't be true. How are your maintenance costs? In Germany 1st year approx. 400, 2nd year approx. 780 €. I think BYD is crazy. Maybe independent workshops are a solution. The guarantee remains intact. BYD does a lot of things really well with its cars, but there is no usual consumption overview of the last trips. There was enough time to program it, so what does BYD want to hide, what do you think about it?

[@EVswitch]

@@ullischnulli9614 that seems very high for maintenance. Here the average is under $300 per year. Although I got my first one complementary.

[@EVswitch]

@@ullischnulli9614 I think there is a way to reset the consumption graph. And it also can show your average consumption for the last 50km on the small screen.

[@ullischnulli9614]

​@@EVswitch Resetting is good. That's enough too. Thanks.👍

[@christopherj2231]

Just wondering if the 'granny charger' that came with the Atto 3 has the option to alter the amps, for example drop from 10 amp to 7 amp? Thank you.

[@EVswitch]

The one that came with the car is 8amps. No options to change the amperage. However it does seem slighly more efficient at 8amps than my 15 amp EVSE charger set to 8amps. Charging battery at 1.5kW (with byd charger). However I mostly use the EVSE on the 15 amp setting charging battery at 3kW.

[@christopherj2231]

@@EVswitch OK thanks for that was considering an off-grid slow trickle feed.

[@maklokiper]

What kind of AC charger brand do you use ?

[@EVswitch]

@@maklokiper EVSE.

[@magdytawfik-tf4fl]

I have a problem in charging my yuan plus ( Atto3) using wallmount home charger of BYD it give only 3kw / hr however it is 32A 7Kw and gives me this message (Note: The vehicle has preset charging function, which can be set on the multimedia system).

[@EVswitch]

The only setting Im aware of is setting the time to charge. I would assume you could set your wall mounted chargers amps? Have you tried charging at a public (slow)AC charger? I wonder if you'd have the same problem.

[@magdytawfik-tf4fl]

@@EVswitch I tried to charge from slow ac public charge and the same thing was happened

[@EVswitch]

@@magdytawfik-tf4fl I think it might be a problem with your car. I'd suggest talking to BYD. I read somewhere it might be a charge controller problem.

[@magdytawfik-tf4fl]

@@EVswitch thanx you

[@CheerfulCamping-nm2pu]

2 thumb for you good day