Which is safer between the three models of Maodou Y's lithium iron phosphate battery and ternary lithium battery?

How to properly use the Polestar 2 battery, which is better between fast charging and slow charging, and do I need to regularly calibrate the battery? 😵

Which model offers free supercharging? I'm considering paying extra to trade my 2020 Model Y for a used Model X with free supercharging.

Cullinan or Model Y? The Cullinan looks very grand, but the Model Y, being fully electric, saves on fuel costs and also has an advantage in terms of acceleration from 0 to 100 km/h. I'm torn.

I'm planning to buy a car after the New Year, and I'm undecided between these three models: "Geely Boyue," "Bestune T99," and "Hongqi HS5." I don't know which one to choose!

Which company's battery does this car use?

Is there anything other than a battery issue that could cause the auto start-stop to show the battery not fully charged on a three-year-old car?

Does the HiPhi X, with only a few hundred kilometers on it from the dealer, have any issues if the battery has been left for two to three years? I'm unsure if I should go for it. Also, I'm torn between getting the 2021 model or the 2022 model. The 2021 model accelerates faster. [sad]

Which year did the Multivan engine switch to the three-ring design?

Which is better, the BYD Dolphin (BZ3) or the Aion Y Plus (Aion M5)?

Is there a problem with the Taurus battery? I've had to replace it twice in three years, and this time there's sulfuric acid leaking!