MASSIVE SOLAR UPGRADE (Outback FLEXMax 80 Charge Controller Unboxing)

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  • Опубликовано: 19 июл 2017
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    Part of the challenge we’ve had with solar power off grid is that we wanted to start out small and scale our way up to a larger system. We started with 120 watts in portable solar panels which worked great to keep our RV battery topped off and quickly we upgraded to a 480 watt system. While we’re still living in an RV, we’re not “RVers”, we’re closer to needing a whole home setup. Now that we’re more settled about about to start the construction of our permanent home, we’ve long outgrown our 480 watt system. We’ve had some second-hand solar panels in our storage unit for quite some time and now that we’ve upgraded to the FLEXmax 80 charge controller, we’re able to put them to use and the power we’re able to generate from the sun will multiple overnight!
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Комментарии • 548

  • @drubug
    @drubug 7 лет назад +181

    Input voltage does NOT have to be 12v to run a 12v battery bank...
    Wire your panels in series to raise the voltage and drop the current, this will help with the long cable runs.

    • @JR-yl8qi
      @JR-yl8qi 7 лет назад +26

      This is the EXACT reason to go MPPT, higher input voltage, less losses on the wire between panels and charge controller. Save money on not having to go huge wire gauge!
      If they keep the panels in parallel (off the cuff: 17Vdc, 30 amps (10a/panel) 6awg) They lose 14% of their power! If they series the panels they lose only 2% of their power over the same cables.
      www.calculator.net/voltage-drop-calculator.html

    • @MaverickandStuff
      @MaverickandStuff 7 лет назад +5

      He is doing 12v because his inverter is a 12v inverter.

    • @dredge999
      @dredge999 7 лет назад +21

      The panels do not have to be 12v. Nowhere near. They can be up to 145v for the 80 I believe (startup). You want to stay well under that for cold mornings but there is a sizer on the Outback web site for optimal power. The panels absolutely need to be wired in series/ series-parallel. I believe he stated that they only have a 12v inverter so therefore the battery side of the equation needs to stay 12v unless they change out the inverter. The moral of the story is that solar is not hard if you use proper equipment. His pror statement about constant maintenance is simply not true at all if you set your system up correctly and size it appropriately. I tried to offer to help them but he seemed very defensive and unwilling to let me give him advice. I like the cat :)

    • @zenzen9131
      @zenzen9131 7 лет назад +10

      This post is totally correct. For a given power output on a panel array, if you increase the voltage then the current will drop (power = volts x current). Cable resistance losses are proportional to the current and not the voltage. Therefore, increasing the voltage by wiring the panels in series is the way to go. Also, with this configuration you will gain a benefit in using a MPPT controller when the panels are in partial shade or when it is overcast :)

    • @kingjamez80
      @kingjamez80 7 лет назад +15

      Yes exactly, running this charge controller at "12v" input is just plain silly. He should series his panels up to 150V max and let the MPPT handle the downconversion to 12v for the battery bank.

  • @offgridsolaruk843
    @offgridsolaruk843 7 лет назад +2

    Can't go wrong with Outback, tried and tested in the Australian sun! Love to come over and visit one day, lovely to see the learning process unfold, that is what this is all about. My journey with Solar started 4 years ago and still learning!

  • @storymanaz
    @storymanaz 7 лет назад +1

    I resent being called a nerd. I'm a geek, a 53 year old geek to precise. I watched because I eventually want to do solar, wind and if possible, hydro power. I am rooting for you two.

  • @EbonPardus
    @EbonPardus 7 лет назад +3

    Not a nerd. Every single thing you said past the point when the mighty hunter wanded off to catch the bird was way over my head. I do, however, love to listen to you both talk. And I super love your channel.

  • @TheKazzarry
    @TheKazzarry 7 лет назад +1

    Im 2 seconds in and i see you've learned alot, been running outback solar charger for 7 years no problems minimal maintenance system wide ( mostly cleaning the panels and battery maintenance).
    Run thicker cables from your panels tho you dont want to burn down your house!

  • @darrenslatta
    @darrenslatta 7 лет назад +20

    "I'm not sure why they call it the flexmax 80"
    "But this controller is very flexible"

    • @kenputer56
      @kenputer56 7 лет назад +3

      Flex able in voltage to max of 80 amps thus flexmax 80 DA TA !

    • @Qwiv
      @Qwiv 7 лет назад +2

      "and has a max of 80 amps"

  • @chezno3.089
    @chezno3.089 7 лет назад +1

    FINALLY! You guys got a REAL charge controller. Had our two fm80 for three years now no problems

  • @lovelind.gonzales8363
    @lovelind.gonzales8363 7 лет назад

    Im so glad to have yall series as a guideline, theres SO MANY things I had not considered involved with homesteading, I love this, a real eye opener, and yall are awesome, and your subscribers are awesome with the valuable input

  • @wegface69
    @wegface69 7 лет назад

    Good upgrade, you will not regret that one bit. Mine still rocking after years and years. A proper product!

  • @alvar891
    @alvar891 7 лет назад +5

    You two are really cool and inspiring to watch. Thank you for those great informative and entertaining videos! Cant wait to see the house build videos!

  • @ifyoudontiwill1495
    @ifyoudontiwill1495 7 лет назад

    instance of removing a newly purchased product from its packaging and examining its features, typically when filmed and shared on a social media site. WELL DONE!!!!!

  • @tobiasclawson4243
    @tobiasclawson4243 7 лет назад +1

    Thanks for putting out such a consistent stream of high quality videos. RUclips desperately needs more people like you guys. I always look forward to your next video. Also I am a cat person. And I grew up without running water, wood stove, outhouse etc. keep pushing. Your house will be done before you know it!

  • @ghostrdr007
    @ghostrdr007 7 лет назад +1

    Hey Guys, I am running the flexmax 80 on our solar system at our remote cottage in northern Ontario Canada. Its an amazing charge controller. We run 12- 2 volt lithium batteries hooked in series and in parallel for a final output voltage of 12 volts. Our panels are 4-310 watts with 2 pairs hooked in series and then together in parallel for a total output voltage of 90 volts ,32 amps. around 1240 watts to the controller . We have a run of 60 feet or wire from our panels to our controller we use 8 AWG MC4 wire for that. From our controller we have a 10 foot run of 4 AWG wire to the battery bank. We run 2-2000 watt sine wave inverters on the other end. this system will actually make some current on moonlit nights and does pretty well on cloudy days. We run a 12 volt refrigerator 120 volt stand up freezer and a satellite dish receiver constantly with no issues. Good luck on your system. BTW if you could hook up your panels on a pivot to keep them pointing at the sun more directly with a little manual tweaking during the day performance improve greatly. RICK

  • @jaapdewind8774
    @jaapdewind8774 7 лет назад +1

    I am folloing you for a while, you are awesome! The drive, solving problems together, I love it. Hope to see the finished house soon. Thanks for sharing

  • @kurtpalmer3674
    @kurtpalmer3674 7 лет назад +1

    Love the solar power stuff I'm slowly building my own off grid set up for in town to off set my power usage love your take on things as you learn and develop the skills to set this up ☺️ now time to set the panels up in series and plug in the new inverter and reap the rewards ☺️

  • @loganv0410
    @loganv0410 7 лет назад +1

    THE key thing you said was: 'this {piece of the puzzle} can grow with us'
    Congrats on the major step of growth

  • @williamkraft5574
    @williamkraft5574 7 лет назад

    I know that the summer heat is coming/here it's nice to see a cloudy day for you and most important is doing something that isn't back breaking. Even though the back breaking videos teaches me a lot and is appreciated. Best of luck on everything.

  • @ChaosAndKendra
    @ChaosAndKendra 7 лет назад +1

    I love seeing Bugaboo, never feel like there's too much kitty in your vlog!

  • @JohnSmith-ug5ci
    @JohnSmith-ug5ci 7 лет назад

    Glad to see you moving up.

  • @joefrank7159
    @joefrank7159 7 лет назад +1

    Thank you for taking your time and giving a good explanation of the device. Was thinking of having solar plus wind power.

  • @thomas5714
    @thomas5714 7 лет назад

    Love the cat. Markings are spectacular. Disposition is dog like. Ton of personality. Very vociferous. And of course, it loves you.

  • @DarylRosenberg01
    @DarylRosenberg01 7 лет назад

    Hey! i watched the whole thing. I'm a nerd but I mostly want to support you by watching the whole video. Your videos play in the back ground as I do various things and it sorta keeps me company.

  • @lyndda
    @lyndda 7 лет назад

    I love it when Bugaboo makes an appearance on your videos

  • @UpperPeninsulaDIY
    @UpperPeninsulaDIY 7 лет назад +1

    I'm one of the nerds that stayed till the end. lol What an awesome upgrade! Can't wait for videos of it in action.

  • @JonZDisability
    @JonZDisability 7 лет назад

    Very cool guys, look forward to see you incorporate this into your system!

  • @PC-uh6hk
    @PC-uh6hk 7 лет назад

    I wasn't snoring I have a sinus issue.... honest! Thanks for the info, all this solar stuff is interesting to a geek like me. Who knows when this knowledge might come in handy.

  • @Ahldor
    @Ahldor 7 лет назад

    I like to see how much you love and respect that cat!

  • @Fullovjoy1
    @Fullovjoy1 6 лет назад

    Very good job explaining for people who don't know much about this stuff !

  • @morrow.m
    @morrow.m 7 лет назад

    Nice upgrade, enjoy!

  • @RelentlessHomesteading
    @RelentlessHomesteading 7 лет назад +8

    Nice upgrade --- Its a great charge controller! We have two of them in our system (GS8048). (Our system is in our StarLite wars video playlist.) You will be able to grow with this system, and with Outback you won't have to worry about the company disappearing. We've used the history feature to track one issue we had with undersized breaker, but system is pretty much program it an forget it. If you decide to get a new battery system - I'd suggest a small fork-lift battery for lots of watts per dollar and deep cells, no terminal corrosion issues, with long cell life. They have smaller fork-lift batteries than seen in our video, and we used two 24v ones to reach 48V which is more efficient than 12V or 24V.
    All the best to you and Alyssa on this electron-odyssey !!
    BTW --- Alyssa you do an awesome job on the editing. We both love the way you edit and my wife mentions/hints that to me every time she watches one of your videos. ;-}

  • @2514ben88
    @2514ben88 7 лет назад +7

    Big respect to Jesse & Alyssa, I like the fact that you want to be mainly self-sufficient with local support and invest in each other, your work and your property for the future, Alyssa keep the videos coming and we will keep watching them thank-you.

  • @craigminca7446
    @craigminca7446 7 лет назад

    Hi have 1 off these as well. Great unit. Works with my ABB inverter and sungrow hybrid. Great video guys thanks.

  • @17forever64
    @17forever64 7 лет назад

    I enjoy watching your videos, you guys seem really happy and work together as a team , what a great life. Some jerks video popped up that has a solar farm at his house after I watched your latest huckleberry solar video. Man that guy was a jerk, eating his burrito and drinking his blue moon beer! Don't listen to these negative people. It's impressive that you guys try all of this in your own. You are making the most out of what you have and can afford . I'll keep watching!

  • @steverivera7270
    @steverivera7270 6 лет назад

    i just got my Outback FLEXMax 80 Charge Controller today and am starting to install my 100% off grid in Puerto Rico, we lost 75% of our grid last summer. i feel like i am in over my head but heck lets do it.

  • @ssnidely
    @ssnidely 7 лет назад +1

    cat dont care, she just wants the box. lol

  • @BacktoSchoolBus
    @BacktoSchoolBus 7 лет назад

    You guys are doing a great job! I mean this in the absolute best way possible, if you would like to learn a little bit more about solar power I would be happy to discuss it with you. Not saying I know more than you guys but I have seen and continue to see some issues with your system. Just remember to recognize the difference between "works" and "works right". Just because you manage to charge a battery and pull juice out of it doesn't mean the system is working efficiently or optimally. Keep up the great work, very exciting to see the progression!

  • @nutmegsjourney4242
    @nutmegsjourney4242 7 лет назад

    Cats LOVE boxes...!!! If you get Bugaboo a bunch of cardboard boxes he'll have the time of his life... He wants IN...!!!

  • @McAVITYourWay.
    @McAVITYourWay. 7 лет назад +3

    I watched to the end....but I`m not a nerd, I was waiting to see if Bugger-Boo would come back :)

  • @stellarpod
    @stellarpod 7 лет назад +9

    Personally, I like the Bugaboo inclusion. Thanks!
    Steve

  • @PentaxLife
    @PentaxLife 7 лет назад

    Very nice I went with the Midnight classic 150 running 2880 watts on my 5th wheel at 12volts .

  • @Tom-cy5em
    @Tom-cy5em 7 лет назад

    Bugaboo is such a cute cat.

  • @offgridinthepacificnorthwe3210
    @offgridinthepacificnorthwe3210 7 лет назад

    Yup I have one of those in My solar system. I have a Midnite Classic 200 too because my input voltage on one array is to high for the Flexmax.

  • @emilyparker4347
    @emilyparker4347 7 лет назад

    OkY, I am a nerd, so I will own that, BUT this was great! You guys are so good at communicating! I found this very helpful, as I do your entire channel. Thank you!

  • @Slyvr18
    @Slyvr18 7 лет назад

    Nerd and proud. I got excited when you mentioned you could do some programming on it.

  • @timkirkpatrick9155
    @timkirkpatrick9155 7 лет назад

    You are definitely getting there.

  • @KaylynnStrain
    @KaylynnStrain 7 лет назад

    what a seriously adorable kitty!!! nice solar goodness!!!

  • @nicolaashartman3496
    @nicolaashartman3496 7 лет назад +1

    Have the FlexMax80 on my solar boat. Great choice!

  • @adamh8908
    @adamh8908 7 лет назад

    PV/ off grid power is something that is very foreign to me. Love these videos. Gives myself a heads up on things to look out for.

  • @lauraleeg25
    @lauraleeg25 7 лет назад

    Love all the daily content, man we're getting spoiled.. Love Bugaboo being included extra too! Oh, you definitely had me snoring, lol 😉😄😅

  • @PawPawMountain
    @PawPawMountain 7 лет назад

    Outback Flexmax 80 CC........Now Your Cooking!!! I have a Flexmax 60 and have had no problems with it what so ever! They are a great Great System...... Yes Sir....Outback!!!

  • @fayloyan
    @fayloyan 7 лет назад

    Looks like things are moving along (which requires a lot of planning, budgeting, coordinating along with many speed bumps...), congrats~ I used to ask one of my cats questions like how Jesse did it and my cat's reactions were just like Bugaboo lol

  • @jackimullinax6541
    @jackimullinax6541 7 лет назад

    Great info, Thanks!

  • @John-lt1vl
    @John-lt1vl 6 лет назад

    I think you guys are great , you have inspired me to share more ideas

  • @jerrysparks725
    @jerrysparks725 7 лет назад

    Darn I think you 2 are awesome and I have watched you from the start, but I see you have some people that do not think the way I do and I do not understand why they watch your site, but please keep the videos coming I really enjoy them.

  • @vanessawelles4760
    @vanessawelles4760 7 лет назад +12

    I have a 1200 watt solar system. In order to solve the problem of having an excessively long PV voltage run, i placed my cheap PWM controllers and my battery bank AND my inverter in a small concrete block house within 10 feet of the solar panels. The long run to my home is at 120 volts...so not much voltage loss with #12 ac wire. System cost much lower.

    • @agentsmith3577
      @agentsmith3577 7 лет назад

      That is the smart way to go. With their 2000W inverter and 100ft run, #6 ac wire should be used. If they need more ac, a second inverter and a second run of ac wire is needed and their charge controller still will have plenty of margin.

    • @dredge999
      @dredge999 7 лет назад +2

      The answer is for them to run the panels in series and bump the voltage to over 100v. No need to run AC downwind.

    • @agentsmith3577
      @agentsmith3577 7 лет назад +1

      Their charge controller is limited to 48v worth of panels (under load) and either way, 120v ac causes less wire resistance than 120v dc and they will still need it inverted anyway to run their appliances which means replacing their current inverter!

    • @dredge999
      @dredge999 7 лет назад +2

      Have you looked at the spec for the FlexMax 80? Input voltage is max 145 startup. Total wattage at 12vDC battery is 1000.
      www.outbackpower.com/downloads/documents/Make_The_Power/flexmax_6080/specsheet.pdf

    • @agentsmith3577
      @agentsmith3577 7 лет назад +5

      He's got 4x 24v panels. He's using a rinky-dink 12v battery bank. The current dc lines arel way under rated for what he has now and still needs to be replaced. Using 148vdc to the camper needs #4 wire to be safe and only #6 from the panels at 120v ac from there to match their inverter. Have you looked at the spec for their inverter? www.powerdriveinverters.com/sp/powerdrive-2000-watt-power-inverter-4-ac-2-usb-app-with-bluetooth/ .
      They have to run on a budget and what you are talking about is far more expensive, out of spec for the controller's peak efficiency for best case scenario battery bank of 60VDC input w/48V battery at 53.1VDC (98.44%), requires them to ditch their current inverter before they even get their house built.

  • @8056443232
    @8056443232 7 лет назад

    Sounds pretty amazing, thnx for sharing.

  • @stefanmarraccini8646
    @stefanmarraccini8646 7 лет назад

    That is one gorgeous marble bengal!

  • @philliplopez8745
    @philliplopez8745 7 лет назад +4

    handsome kitty . cats keep evil spirits at bay and no home is safe without them .

  • @bbcooter388
    @bbcooter388 7 лет назад +1

    First thing I would do after installing that new charge controller is to wire my three panels in Series to bump up the voltage coming into the charge controller. I will bet that fixes most of your issues with the Solar system immediately. Second thind thing is add those extra panels as soon as I could.

  • @goofykl9
    @goofykl9 7 лет назад

    I own FM80, with 4 * 250 watts in series, 12 volt system. Great controller.

  • @stephenroth8132
    @stephenroth8132 7 лет назад

    NOT SNORING!!! Thanks for the base-line info!

  • @zetacon4
    @zetacon4 7 лет назад

    I enjoyed your presentation. The features of this unit are very nice and should be required features of any non-trivial system. You should be very thankful there are nerds like myself to design, test and manufacture such wonderful components of a battery-power system. Thank you. Now, let's see your careful installation of this.

  • @seymourpro6097
    @seymourpro6097 7 лет назад

    Outback charge controllers are popular with UK narrow boat users. MPPT usually gets 20% more electricity out of the same panels. Data logged about three years ago showed that winter solar harvest is about 8% of panel rated power, NOW you really need more panels another KW now would be a start. Your battery really isn't charged until the charger current goes down to about 2% of the AH nunber (2A for each 100AH) -If it never gets there then something is broken. Arranging panels at about 100v will let you send more power down the same cable, but if you are going to have a solar farm away from the house then fit some really good large gauge cable in a protected path.
    Have to say that now is the time to plan to locate some KW of panels on the house, the more KW you fit, the more months you get usable electricity.

  • @MrCorSmit
    @MrCorSmit 7 лет назад +1

    That is such an awesome charge controller

  • @dkh1020
    @dkh1020 7 лет назад

    Greetings,
    I run a flex Max 80, a 24 v 3500 outback inverter and 1000 watts of solar in my rv. My panels are 250 watts wired in series and parallel to produce 48 volts. My battery bank is 24 volts. I'm only limited by the size of my battery bank. Outback makes good stuff. So far, I've not seen anyone using outback equipment in an RV but it is high quality and holds up well. I've never been disappointed with my setup. This system is overkill for my needs but I would rather have more than not enough.Oh ya, my 4 panels are ground deployed so I can park my rig in the shade and have my panels in the sun.

  • @maehay4065
    @maehay4065 7 лет назад

    Thank you for sharing your new information with us! I hope this helps your run more efficiently👍☝️👏🏡😍

  • @repalmore
    @repalmore 7 лет назад

    Food for thought. Put the battery box right under the panels and put the inverter rite in the battery box so you are putting 110V over the wire to the RV.

  • @davidoyama9753
    @davidoyama9753 6 лет назад

    I thought this was a very good video ! Thanks Jesse !

  • @ddd228
    @ddd228 7 лет назад

    YAY!!!!!!!
    NOW,you are in to serious power.
    SERIES connections. i just realized that my PWM was too lame.
    I went to an MPPT and NOW,I run my panels @ 90 VOLTS! What a difference!
    100 V. @ 5 amps is 500 watts.
    My cables to my panels are undersized,like yours.
    8 G. wires. Now,I don't care at all.
    B-4:300 W. Now: 500 watts.Same panels,but now wired in series,with the MPPT CC.
    WIN,WIN.

  • @haroldbevins393
    @haroldbevins393 7 лет назад

    You are right, not everyone likes cats, But I'm not one of those people although I did used to be, but my cat Macy has won my heart.. lol

  • @neilshurmur3901
    @neilshurmur3901 7 лет назад +1

    You will Like your new charge Controller, probably one of the best decisions. You may. My only other, comment is to configure your battery bank to 24 V or 48 V. Your efficiency will go up, but I do understand your learning and that's a good thing. Neil

  • @roymontminyjr1342
    @roymontminyjr1342 7 лет назад

    I have two of these. One has 12 12v panels,3 sets of 4 panels in series and 4 24v panels in series

  • @t.m.h.7962
    @t.m.h.7962 7 лет назад

    You didn't tear up Bug-a-boo's new toy did ya, the cardboard box. Cats love cardboard boxes, cut an access hole on the side close the top. Now he has a private place to sleep and play in. My cats have a multi-level cardboard condominium, and one level is divided into multi-rooms. They love it, if we don't see them, that's where they will be. Keeps them occupied.
    And for the juice, get a bicycle hooked up to a generator, loose weight and make juice at the same time. But only in your spare time.

  • @18twilliams
    @18twilliams 7 лет назад +1

    The same unit i have! Works well!

  • @Lucitt13
    @Lucitt13 7 лет назад +1

    LOL cats like "WOOT I GET A BOX!"

  • @GaltJohn2008
    @GaltJohn2008 7 лет назад +57

    I've been watching you for a while, but I've never commented before. I've always wondered though, why you don't build a shed up next to the solar panels and put the battery bank, inverter and charge controller up there? Running high voltage down the hill would give you so much less voltage drop trouble than what you're doing with DC.

    • @purelivingforlife
      @purelivingforlife  7 лет назад +17

      Batteries will be located in the basement of the home and panels may be mounted elsewhere, likely on a pole. Until home is built, we're avoiding doing anything permanent.

    • @GaltJohn2008
      @GaltJohn2008 7 лет назад +9

      Pure Living for Life , I've been working with electricity for a long time, but not solar at all so I'm no expert. A simplified(and probably partially incorrect) understanding I have is this..depending on wire size that 100 foot run is gonna cost you about 2-3 volts. When you pull that off DC 12 volts, that's huge. If the inverter were at the top of the hill you would send 120v down which(with cheaper wire I might add) would still be 117-118 volts by the time it gets to the bottom of the hill. I feel like the simple move would probably have increased daily output of your old system by 15-20% daily without any additional purchases. Either way, when you get closer to your finished building out there, I feel like it should always be I your plan to have the solar equipment as close to the panels as possible. Someone with more experience chime in. Also, I love what you're doing, I wish I was up I the mountains doing this myself instead of sweating my butt off in Orlando...good work you two.

    • @OhioPrepperOne
      @OhioPrepperOne 7 лет назад +5

      Pure Living for Life You would be better served by digging a hole and building a small shed with an access door next to the solar panels. This will keep the batteries cool in summer and fairly warm in the winter. Put your inverter in the shed with the batteries and run AC wire to the house, this will make everything much better and more efficient as well.

    • @philliplopez8745
      @philliplopez8745 7 лет назад +6

      Pure Living for Life you need to install a bank of MAXWELL SUPER CAPACITORS in parallel with your battery bank . this would add surge capacity easing the starting of high draw devices like A/C and make certain that your cables are of sufficient guage to run the distance .

    • @OhioPrepperOne
      @OhioPrepperOne 7 лет назад +1

      enator71 Yeah, it isn't rocket science, dig a pit, insulate it, cover it, add a hatch, get on with it.

  • @brianparker9924
    @brianparker9924 7 лет назад

    The protrusions on the back are to maintain 1/4" spacing between the mounting surface and the casing per national electric code. precipitation and dust run behind it to reduce corrosion or pooling water on the outdoor equipment.

  • @floydferguson5366
    @floydferguson5366 7 лет назад

    Great video!

  • @rumplover1
    @rumplover1 7 лет назад

    I love mine!

  • @cscghosts
    @cscghosts 7 лет назад +13

    You can wire 48 volts from the panels to the charge controller and still pull 12 volts off the battery to the inverter .

    • @nl1cat
      @nl1cat 6 лет назад

      Allen Cox And it is better on the long cables ( higher voltage and lower amps).

  • @JimRutherfoord
    @JimRutherfoord 7 лет назад +17

    You mentioned you have some 24v panels. Why not leave the 12v panels on the existing controller and connect the 24v panels to the Flexmax 80. Using the capability to step down to 12v on the output, you should then be able to have the two systems connect in parallel to the battery bank.

    • @dredge999
      @dredge999 7 лет назад +1

      That's what I would do Jim.

    • @ddd228
      @ddd228 7 лет назад

      Yes, that will work just fine.

    • @JonathanDFielding
      @JonathanDFielding 7 лет назад +3

      That's not what I would do. If both panels have the same current capability at a given solar radiance, then I'd wire it in series with the 24 volt panels. If your solar charge controller top end voltage doesn't get exceeded, you want to wire as MANY solar panels in series (making sure that the max total no load voltage of all the panels doesn't exceed the charges max) because you will have less I2R loss ( Current squared * Resistance of your cable = power loss in cables themselves). High voltage, low current is ALWAYS the best way to move power or energy bc the current is what's going to kill your efficiency because of I2R losses. This is why transmission lines from a power company are stepped up to such high AC voltages with the use of a simple transformer.
      Sadly, transformers only work for AC currents and not DC currents like solar panels (think of them like DC batteries with high internal resistances). These MPPT charge controllers are nothing more than a smart controlled Buck converter (DC-DC efficient converter). The MPPT just loads the current from the solar panels just right so that when your panel voltages sag under load (voltage output drops as you pull current from the panels, hence internal resistance),so that it finds the right maximum current and maximum voltage combination, or in other words V*I=Pmax. If the charger pulls too hard on the panels, then the voltage will drop significantly, but the current will also go up, however V*I will no longer be the highest Pmax possible, so the charge controller will back it off slightly till it finds that sweet spot. It's fascinating to watch this happen constantly pulling a little harder, then backing it off to the sweet spot.
      My 60A MPPT Solar Charge Controller I bought on eBay goes through this - find the max power spot - about every 10 seconds. It was only $300!
      www.ebay.com/itm/60A-MPPT-solar-charge-controller-regulator-12v-24v-48v-3200w-monitoring-PCM60X-/161615675225?hash=item25a10b7f59:g:K6UAAOSwm8VUygAw
      I hope that maybe that helps. I'm an electrical engineer and I've built my own portable solar generator. One day I'll make a video, but I'm not done with the whole system.

  • @NYangryguy
    @NYangryguy 7 лет назад +23

    The cat wanted you to get the controller out of the box so he could then take over the box. Box please.

    • @stevenbaumann8692
      @stevenbaumann8692 7 лет назад +4

      NYangryguy the goal of all cats.

    • @Captinhowwdeee
      @Captinhowwdeee 7 лет назад +2

      Yeah nothing like getting a box in the mail that is too small for your cat and watching her try to screw her entire body into it .Usually a total success too.

  • @RedPillDosage
    @RedPillDosage 6 лет назад

    I'm where you stand in solar knowledge and I also love cats! His name is Churro!

  • @seannadeadwood7148
    @seannadeadwood7148 6 лет назад

    Nerd here and I have been wanting to know this infor before I dove in so thank you

  • @JCAJCA3
    @JCAJCA3 7 лет назад +2

    Good Video. Very informative. JC

  • @justsumname
    @justsumname 7 лет назад

    You're a good man, Jesse. Wish I could come out and help sometime.

  • @badrasta5
    @badrasta5 7 лет назад +1

    Outback makes a good MPPT charge controller, a wise purchase. I'll bet your system performance will improve dramatically, although I would just say to make sure that your solar panels are wired correctly to ensure you are getting an appropriate voltage -- in a previous video you said your solar panels were wired in parallel, which may very well be appropriate, but just be sure it is. You'll need to check the nominal voltage of your panels (it's on their label usually called Vmp -- whereas Voc is the voltage when not under load) and then figure it out from there. So Congrats on an excellent charge controller, be sure to spend hours reading the manual! And feel free to ask any questions. Cheers mate!

    • @badrasta5
      @badrasta5 7 лет назад +1

      Ok so (watched video):-- I now understand you have a 12V battery bank, so lots of line loss over a roughly ~100ft #8 AWG string. Ok makes sense now, I understand your upgrade plan. Good choice on the Outback. Also I like your idea of buying another panel for the primary purpose of eventually wiring it into two strings (2 panels in series per string, then those 2 strings joined in parallel for a 4-panel array at 24V). When you decide to rewire your panels and battery bank to a 24V setup you'll reduce line loss and get better performance overall -- the only requirement being to upgrade your inverter. What you could do in the meantime is buy a 24V-12V DC transformer as a stepping stone.
      P.S. the reason they call it "80" is because it has a Maximum Output Current of 80 amps.

  • @cheif10thumbs
    @cheif10thumbs 7 лет назад

    That is a Gorgeous Cat!

  • @QuestForTheOpenRoad
    @QuestForTheOpenRoad 7 лет назад

    I'm a dog person, but i dont want to stop watching your video. I like what you do too much to care about cat moments.

  • @jc5536
    @jc5536 7 лет назад

    Another nice job all around. This is not criticism, when I was learning my trade it was driven into me the terminology was very important so I'll share this. The "grease" known as no-lux( might be a brand name) is to help prevent corrosion as you mentioned. Which can come from moisture or when dis similar metals are introduced such as copper wire and aluminum lugs. Those plastic bushing or grommets do protect the wire insulation from the metal enclosure but make sure that's the best application. Don't make the lug you terminate the wire to the means of support, at least not on the larger wires. And my last bit of advice, as you know all of your equipment on your property requires some level of preventative maintenance periodically check you're termination. Electricity when flowing creates heat and when no amperage is present you have more of an ambient temperature thus termination over time will loosen because when metals heat and cools it is moving.

  • @markarchila9446
    @markarchila9446 7 лет назад

    WHOOOP WHOOOP WHOOOP! Nerd alert! Watched it to the end. Thanks you guys. Keep up the great work, you are an ispiration to us all.

  • @LanceSheppard
    @LanceSheppard 7 лет назад

    A linear actuator would assist maximizing sun intake with a solar tracker. Pretty cool stuff.

  • @justinkamplain
    @justinkamplain 7 лет назад

    Love the videos...but, as a current Bengal owner, I especially love bugaboo!

  • @unijabnx2000
    @unijabnx2000 7 лет назад

    Like others mentioned already... rewire the panels you already have in series and raise the voltage higher for that long run.

  • @teresaprice5070
    @teresaprice5070 7 лет назад +1

    I'm a MAJOR cat person! Love yours!

  • @danielbudney7825
    @danielbudney7825 7 лет назад +1

    Not saying I'm not a nerd (I do have a physics degree, and I program corporate databases for a living), but ... the reason I was "still" watching at the end was because I skipped ahead to see if anything interesting was going to happen :p
    I think the video would have been more functional if it had been a cut-down unboxing combined with highlights from reviewing the installed system (which is probably also going to be another boring video ... "Here's it charging the battery ... and this is a status light ... and here it is discharging a night ...").
    Love you guys, though. Gratz on the Cistern install -- and can't wait for you to finally get the frame up on your home.

  • @Drinks-and-finger-food
    @Drinks-and-finger-food 7 лет назад +17

    Cat is eating off the grid rats..

  • @RaspberryRockOffGridCabin
    @RaspberryRockOffGridCabin 7 лет назад

    I have the 60 and it's a good unit, though the fan is a little loud when it comes on. I have 9 panels at 240W and 8 x 600AH batteries.

  • @pkdiddy
    @pkdiddy 7 лет назад +3

    I chuckle every time they refer to them living "off grid". Right next to a road, neighbors in sight, a short ride to town is NOT off grid.

  • @czellner5894
    @czellner5894 7 лет назад +8

    Nerd Alert... Guilty as charged! LOLGreat upgrade guys. Glad to see you're doing a few things to make life a little more comfortable.