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  1. C

    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    I have an update for you; I have had a failure. My system is on row 224 of the spreadsheet, in Bellingham, WA. https://enlighten.enphaseenergy.com/pv/public_systems/TsvT250858/overview I actually have 24 M215s with 250W panels that came online Oct 4, 2013 and 24 M250s with 255W panels which...
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    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    Yeah. If you go to the Administration section on your Envoy, there's a Device Grid Configuration page. The default is United States IEEE 1547 - Mainland. It is limited to 132 V per phase for 0.2 seconds. Since I was exceeding that, I had Enphase deploy the alternate profile, which, among other...
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    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    For what it's worth, according to the Envoy, my M215s all have serials starting with 121312 or 121321, and HW Part Num 800-00103-r05 and Assembly Part Num 880-0008-r35 or -r36. The M250s, purchased a few months later, are 121342 or 121343 with HW Part Num 800-00179-r11 and Assembly Part Num...
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    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    By the way, my M215s are the old ones, obviously, as they are made prior to 2014. However, my M250s have identical cases to those old M250s, not the newer style case of the IG ones, but Enphase's datasheet doesn't give any indication that M250s of this style might have existed. I assure you they...
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    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    My ex-wife doesn't want to go through the effort of collecting data from dozens of customers anyway. BUT, she did tell me that they have a customer with M190s in which almost every one has been replaced, and they have definitely had M215s and also M250s fail but they're very rare. Unfortunately...
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    Enphase field MTBF: M190: ~36 Years M215: ~316 Years M250: >357 Years

    I am the owner of a system in your spreadsheet labeled "Bellingham WA" under M215 and M250. My friend has been reporting the status (and he may continue to do so). I indeed have 24 M215s installed 10/4/2013 and 24 M250s installed 3/26/2014. None of them have had any failures of any sort. Just to...
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    Drive Across the USA with a LEAF and Plant a Tree every 250 Miles!

    That Leaf Spy screenshot is from my phone -- my wife and I met him at the West Coast Electric Highway charging station in Bellingham, WA, yesterday. I bought him lunch and we talked for a couple hours. His OBD-II dongle was broken so he hadn't been able to use Leaf Spy his entire trip! A friend...
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    OBD-II Bluetooth Connection Problems?

    FYI, I purchased another OBD-II adapter from Amazon, identical to one of my other ones, and it works fine with any terminal app or any other OBD-II app (Torque etc). The ones that I have previously used with Leaf Spy continue to ONLY work with Leaf Spy. Having spent some time now with the ELM327...
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    Carwings API?

    I thought said it works as long as you use your new login you have to create. The Nissan Leaf app was not updated as a part of the change to NissanConnect EV, so it's using the same interface it was using before.
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    OBD-II Bluetooth Connection Problems?

    I know several folks on this forum including Jim and Gary have done lot of work reverse engineering the CAN bus. I have been interested in this work and spent some time a while back reading the very old threads where some of the original stuff was worked out, including what we now call "Gids"...
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    $450 bill from NRG / eVgo

    NRG eVgo is expanding into Washington State right now and a LOT of folks up here have or will be signing up for accounts. Hopefully they can get their act together. Their terrible website also prevents Canadians from signing up, by the way. They say it's because they don't have chargers in...
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    Taking my leaf in for Cell Voltage Loss Inspection

    If there's a chance that you might qualify for a new pack under the battery warranty (the loss of 3 bars within so many years or whatever it is), consider that if you get this cell's module replaced, it may increase your capacity such that you would no longer qualify for that warranty...
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    2013 Low Battery Capacity AHr Battery Degradation

    There is definitely a visual correlation, though that also definitely does not imply causation, as there are a lot of other things going on besides the temperature increasing throughout the day. Here's a graph of "Hx" (which follows AHr but has more precision) and the T1 temperature sensor for...
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    I drove 275 miles in under 12 hours

    Once the battery gets very hot, the difference in temperature between the ambient air flowing over the pack and the temperature of the pack is so great that it gets more cooling than whatever heating it gets from the draw (approx 20 kW as you said). If the battery temperature was nearly the same...
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    I drove 275 miles in under 12 hours

    Here's a graph of battery temp (T1), ambient temp, and charging power (for correlation) during the 275-mile trip. The only time I wasn't recording data was at the start of the first DCQC session.
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    2013 Low Battery Capacity AHr Battery Degradation

    Here's our battery capacity (AHr) as reported by Leaf Spy Pro over the course of our 1,500-mile road trip. The longest drive (275 miles, 7 DCQC) was on Sept 11th. Sept 1st was second-longest (219 miles, 5 DCQC). Graph includes a total of 11,592 data points. Large diagonal jumps are between...
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    2013 Low Battery Capacity AHr Battery Degradation

    My wife's MY13 also exhibits the same behavior as mine. At one point I graphed the AHr/SOH/Hx over time while we went on a moderately long trip (200 miles or so). All of these values increased while the vehicle was being driven at speed down the highway, and never increased while the vehicle was...
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    I drove 275 miles in under 12 hours

    That is correct. As far as I'm concerned, a gas car is not an option. Period.
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    I drove 275 miles in under 12 hours

    In my case I kept stopping at rest areas and extra chargers because my wife had come down with a stomach bug (which is also why we were driving the long distance, to try to get home) and she needed the stops. We also had to let the dog out from time to time. Otherwise the trip could have been a...
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    2013 Low Battery Capacity AHr Battery Degradation

    I just did a long trip (1,500 miles in total over 2 weeks) in my 2013 and observed the impact on my AHr / Hx / SOH / etc via Leaf Spy Pro. I started out with AHr=62.13, SOH=95%, Hx=95.69%. After two days with 4 or 5 short quick charges each, and about 400 miles of driving, I was at AHr=65.54...
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