Recent content by Kevin in Denver

  1. Kevin in Denver

    Is it possible to charge electric car with Bluetti AC200P?

    About 2300 Wh collected per day.
  2. Kevin in Denver

    Is it possible to charge electric car with Bluetti AC200P?

    Excellent point. I did this accidentally, and it was difficult and scary to get the Leaf to reboot.
  3. Kevin in Denver

    Is it possible to charge electric car with Bluetti AC200P?

    The panels are mounted quite well, even though I used a $60 ratchet-strap-rack. The car is still capable of 80 mph but this is a neighborhood errand car. Hyundai makes a car with solar embedded in the roof, but only gains 2.2 miles per sunny day. I'm getting 10 miles per day. The aerodynamic...
  4. Kevin in Denver

    Mobile Solar Charger for Nissan Leaf Using Jackery 1500

    Last night the battery percentage went from 100% to 95% during the standby period. I'll try to get another reading with it starting out at about 50%
  5. Kevin in Denver

    Mobile Solar Charger for Nissan Leaf Using Jackery 1500

    I'm putting together a video.
  6. Kevin in Denver

    Mobile Solar Charger for Nissan Leaf Using Jackery 1500

    Your calculations seem about right. Tonight I'll recheck it.
  7. Kevin in Denver

    Mobile Solar Charger for Nissan Leaf Using Jackery 1500

    The no load 110VAC power consumption is by definition zero. That's why the display shows zero. The standby consumption of the inverter has to be calculated by other means. I've observed about a 10% drop in the battery percentage if I leave the inverter on overnight. The inverter turns itself...
  8. Kevin in Denver

    Where to get the Jackery 1500 DC Input Connector?

    I've seen a similar drop in solar input. I'm using 8 gauge wire from the panels to the Jackery 1500 input, so I suspect the output drop is happening in the 8mm connector. In my case, I expected over 200 watts each from two (250W) panels. Instead, the total wattage has not exceeded 340 watts...
  9. Kevin in Denver

    Jackery efficiency

    Agreed, don't try this without the engine running. This is off topic though.
  10. Kevin in Denver

    Jackery efficiency

    This could be a solution to the problem of the Jackery/CPAP efficiency: https://www.walmart.com/ip/PowerLine-75-100-watt-Car-Continuous-Power-Inverter-DC-to-AC/22236953 A low power inverter like this $15 one from Walmart plugged into the Jackery 1500 should have many times less parasitic draw.
  11. Kevin in Denver

    Jackery efficiency

    So that's why low power 12VDC appliances make a lot more sense to use. Do they make a reliable 12V CPAP? By the same token, a 12V coffee pot does not make sense. Also, the inverter does shut itself off after a few hours of no load. I don't think the low voltage outputs do so. The Jackery 1500...
  12. Kevin in Denver

    Jackery efficiency

    This makes sense to me. With zero load, my Jackery 1500 will run out of juice in about a week with the inverter running. That equals zero efficiency. A tiny load will bump the efficiency up just a little. So apparently the 85% efficiency is measured at maximum output. At maximum output...
  13. Kevin in Denver

    DIY BUSBARS

    You can drill the first hole then "plunge" the adjacent hole using the drill press using an endmill. No side loading
  14. Kevin in Denver

    Where to get the Jackery 1500 DC Input Connector?

    That should work, I'm still waiting for the thin to thick: "I am sorry that there is no stock of 8mm adapter available to send to you at the moment, it will be available Mid-July; We will ship an adapter to you once it is available."
  15. Kevin in Denver

    Mobile Solar Charger for Nissan Leaf Using Jackery 1500

    We designed a circuit that could control the charging of the Leaf based on the voltage level of the internal battery where we tapped in. BUT THEN we discovered that the parasitic power draw of the Jackery's internal inverter is too significant to ignore. We had planned to just leave the...
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