Recent content by stevedee

  1. stevedee

    Jump starter for electric car?

    The car monitors & charges the 12V system battery frequently, whatever the status of the doors. Its never fully charged, so this 'trickle' charge may happen every few hours or every few days, depending upon the 'draw' on the battery; in practice, if you keep it in a wake state, charging is...
  2. stevedee

    Front USB ports

    USB ports are always 5Volts. The 'mirror' ports are 2A, so 10W. The rear port (back seats) is 3A, so 15W. This info is from the User Manual. I hope this helps.
  3. stevedee

    Front USB ports

    A quick question to my imaginary friend, returned the AI answer that the Nextbase 522GW draws 1.5A. (...that equates to 7.5W) Yikes! ...that seems high, if the answer is accurate. So adding a rear camera will probably push it over the 2A USB limit. Just for info: My bog standard iZeeker...
  4. stevedee

    Replacement 12V auxiliary battery for MGS5

    Our S5 was parked in the drive early in February. It hasn't been touched since, and we haven't run iSmart to check that 'baby' is OK! Now we are back! And its no surprise that our S5 is absolutely OK, after 26 days of complete inactivity. The 12V system battery has been charged periodically...
  5. stevedee

    Parasitic drain on 12V battery

    Thanks Ian & Clive. When I fitted ours, the biggest problem (as always) was trying to make a neat job of the cable. With a very short USB cable, I looped it across the 'mirror mounting' to the drivers side. Its mostly obscured by the mirror, so no real reduction in visibility & screen blanks...
  6. stevedee

    Parasitic drain on 12V battery

    OK, but that doesn't mean it can't be on the drivers side.
  7. stevedee

    Parasitic drain on 12V battery

    Why?
  8. stevedee

    Replacement 12V auxiliary battery for MGS5

    Of course, if our S5 12V battery IS dead when we get back at the end of the month, you'll never hear from me again! (We've got as far as Madrid airport, only another 5,500 miles to go!)
  9. stevedee

    Replacement 12V auxiliary battery for MGS5

    Yes, I'm sorry if I'm drifting too far. This test is part of showing that the 12V battery should not fail when the car is left unused, that it is defo maintained by the EV high voltage battery and it is unnecessary to look for a 'better' 12V battery to replace the original. I'm pretty sure...
  10. stevedee

    Replacement 12V auxiliary battery for MGS5

    Our car was charged to 80% on Monday. I understand EV batteries don't suffer power 'leakage'. However, during this period, it will be maintaining the 12V battery, which in turn is powering vital services within the car. Working with AI, I used likely daily temperatures for the next 2 weeks...
  11. stevedee

    Replacement 12V auxiliary battery for MGS5

    The car goes to 'sleep' and iSmart has no way of waking it. I think it will be fine when you get back to it. Our S5 won't be touched again until the end of the month ...let's see how that ends!
  12. stevedee

    The Ultimate MGS5 "Real World" Energy Consumption Thread

    Sorry, it's probably not clear. All I was trying to say is if you pay for (say) 10kWh from a charger @80% efficiency, you may only be putting 8kWh of useable energy into your battery.
  13. stevedee

    The Ultimate MGS5 "Real World" Energy Consumption Thread

    I've tried to assess 'real world' costs by using the amount of home charger power required to bring the %SoC back up to 80% after driving the car for approx 65miles. I then calculated the 'real' miles/kWh and divided by the car's indication of miles/kWh: approx 2.6/3.3 ~ 80% At 7p/kWh & even...
  14. stevedee

    Got my MGS5 few questions?

    Mind that wall! 🥸
  15. stevedee

    Got my MGS5 few questions?

    Question: What's a Faraday Pouch? Answer: Apparently Michael Faraday was never comfortable wearing Y-fronts
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