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mjrendon

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Posts posted by mjrendon

  1. It is an interesting topic and deserves discussion and hopefully an answer that everyone is satisfied with.

    The trouble with placing a fuse here is if there were to be an intermittent short that caused the fuse to blow, there would be no breakaway brakes and the user would not know this unless they checked the fuse or...

    If something is needed here then something resettable might be more appropriate than a single use fuse.  

     

  2. 9 minutes ago, John E Davies said:

    So, I still think fusing that wire is a prudent idea. Unless there is some other section that discusses fuses?

    I don't disagree.  From a physics standpoint the wire is the fuse (as delivered).

    I read though the other sections and did not find anything related to fusing, but I could have missed it.  I found online references to state laws with braking requirements but have not found those documents yet.

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  3. I would say that solar plus the lithium batteries makes for a great combination (sorry BackofBeyond). Having removed the 240 lbs of lead AGMs (which lasted only 4 years) and replacing them with 60 to 90 lbs of Battleborn Li with a significant net increase in usable capacity and a 10 year warranty is nice.  Of course these two items wouldn't be as great without the inverter and microwave (and coffee maker and ...).

    This is not upgrade but since I live in Texas, the AC allows me to camp here throughout the summer months.  I wish the Dometic unit wasn't so loud and was also much more efficient, but it does keep the Elite II cool on even the hottest Texas days.

  4. 20 hours ago, Fritz said:

    Is there any advantage to a 3,000 Xantrex watt inverter over the 2,000 watt model other than perhaps occasional, short-duration use of the A/C using lithium battery power?

    Back to the original posted question.  The Oliver website shows that the 2000 watt inverter is the "2000 Watt Xantrex Freedom XC Inverter" but only mentions the 3000 watt option as "3000 Watt Inverter". Are both options using the Freedom XC Pro or is the 2000 watt the non Pro model?  Xantrex's website shows that there are are both XC Pro 2000 and 3000 watt rated inverters, however, there is also a Freedom XC (non-Pro) rated at 2000 watts which indicates there may be other differences beside the rated capacities.

    Mike

    • Thanks 1
  5. This is reply is not state park related, but if you are not familiar with Texas you should know that we have a chain of gas stations here called Bucees.  IMO they set the benchmark for all other gas stations that I have visited.  You might keep their locations in mind when planning your routes in Texas.

    They have started expanding outside of Texas too.

    Mike

     

    bucees.jpg

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  6. The Fire TV stick works great in the trailer too.  There is a USB connection on the back of the television to provides power.  The Fire TV also requires internet to be of any use. 

    I have both the Fire TV Stick and a Roku Stick Pus. The ROKU  as a cleaner interface than the Fire stick (IMO) and supports screen sharing if you use IOS and/or MACOS devices, which is very handy. I like both but prefer the Roku.  Both work great and do not require the inverter to be powered on to use them.

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  7. Echo Dot works great for listening to music, getting weather updates, etc., etc. so long as you are connected to the internet.  Just use Bluetooth to link it to the Furion/Jensen unit and you are good to go. The older version Dot (the one that plugs into a USB outlet) uses less power than the newer units and do not require turning the inverter on.

    Mike

    • Thanks 1
  8. I would suggest making it as simple as possible and based on 12V with three temp sensors, one each in both basement sides as well as the coach.

    Using an Adruino unit or Raspberry pi one could program the device to turn each side on/off independently when the basement temps are either high or low and the coach temp is in a beneficial range.

    An automated control could be done with < 3watts when idle and 5-10 watts when all of the fans are running.

     

    • Like 1
  9. 34 minutes ago, Ray and Susan Huff said:

    is there room on the plug panel of the standard Honda (with two 20 amp plugs) to accommodate the neutral ground plug (necessary for the onboard surge protector to operate while using generator power) and the adapter for the Oliver power cord to plug in to the second receptacle?

    Yes, but this is also depending on the adaptors that are chosen.  There are larger 15A to 30A diameter adaptors will not fit with a neutral ground plug in place, but even those could be used with a short 15A extension cord. Or you could use the one that I put in my previous post works fine with my Honda 2200i - shown here again.

     

    Mike

     

    image.png.57153a81ccb0b0137906be2978364eac.png

     

  10. My understanding is that the in-rush current is the current required to start a motor/compressor during the first 5 cycles.  This current is much higher than the what is required to keep a motor/compressor running and is the reason that our smaller generators cut out when trying to run an AC.

    I thought I would ask you since your setup looks optimized for taking that specific measurement.

     

  11. I also have the Honda 2200i (non-companion, non-Bluetooth model) and use this to connect to the front power port with the generator on the tongue box. The Honda is very light and relatively quiet.  I have also been impressed with all of the add-ons that are available for these Honda units and I am considering a propane conversion.

    Link

     

    genplug.jpg

  12. 15 minutes ago, SeaDawg said:

    I remember tracking a friend on Spot when we parted ways in the Yukon several years ago

    Interesting...

    I did the Yukon River Quest three times (450 mile canoe race) and the race officials tracked each of us with Spot devices each year.  I have used InReach more recently and think it is a better device and service.  

    There might be better devices that are designed for tracking stolen cars/RVs than the Spot or InReach which both offer rescue services.

    Mike

    • Like 3
  13. The  recommendations for storing batteries differ by manufacturer. 

    LifeBlue 

    • Store battery in cool, dry environment.
    • Do not store or install in direct sunlight.
    • Discharge battery to 50% SoC before long term storage of more than 30 days.
    • Check battery voltage every 60 days and recharge if below 13.0 volts.

    BattleBorn

    • Fully charge them and then disconnect them from everything. Removing the negative lead from the battery bank is also recommended.
    • If possible, we recommend storing them in a temperature above freezing.  
    • Storing batteries in subzero weather (-15°F or lower) has the potential to crack the ABS plastic and could lead to a greater loss in charge.
  14. I think that the solution to one or more batteries failing, that exist in a parallel bank is a proper BMS that prevents overcharge, undercharge and excessive current draw.  The Battleborn BMS should put each failing battery in protect mode so the remaining batteries can continue to be used.  Unfortunately there is no indicator to the user when this protect mode occurs (that I am aware of).  Bluetooth connectivity and/or an LED status would be an nice improvement.

    Mike

     

  15. 2 hours ago, mossemi said:

     Right now I am using a temperature sensor instead of monitoring the midpoint of the battery string and I was trying to figure out the best place to monitor a battery string with 3 - 12v batteries and also continue to monitor the battery temperature.

    Mossemi,

    I might be confused as to what the midpoint voltage is, but with three 12V batteries in parallel, aren't all of the voltage readings going to be exactly the same, at least while they are connected?  That is one of the characteristics of a parallel circuit.

    Which batteries are you using? I thought you had Battleborn which do not report the internal series cell voltages to the user via Bluetooth (yet).

    Mike

  16. 1 hour ago, NCeagle said:

    or solar charger that's trying to keep my Lithiums topped off when they aren't supposed to be.

    Other than when temps are too low, are there times when the Li batteries should not be topped off?  Does the LifeBlue BMS have low temp cut-offs for charge and discharge?

  17. It is great news that you have received your batteries back. I agree with you that six weeks is a long time.  It would be great if they offered an immediate replacement or even a drop shipment plan like some other companies do, where you pay for and receive new batteries up front and then they determine any warranty issues and the refund later.

    Having something rattling around in the battery is not good.  Are you going to or have you pressed them for more information on the root cause?  It would be good to know if there was an issue during manufacturing or if they felt like they needed to make mechanical changes based on your setup.

    Mike

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