diy solar

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  • Post in thread: Cargo trailer solar build

    I love this video ,,, Demonstrates what @HarryN is saying about 120vac trailer to RV ,,, along with the efficiency factors considered with both setups; The difference between “Alternating & Direct” It is eye opening, & I have not seen a better video “visual” which demonstrates the VDC...
  • Post in thread: 600W Solar with all-in-one Alternator Charging?

    I’m kinda a “Team Blue” guy too. But I am not a loyalist, just make decisions in my self interest. I like Victron, Blue Sea, & now Kisae I have a Kisae “Dual” Alternator/Solar 1250 & love it, however I do not use the Solar side at all & 100% charge my van house battery from the alternator via...
  • Post in thread: Portable Solar Charger

    So recently I cobbled together a box to basically utilize a Victron 100 | 50 MPPT Solar Charger. Why 🤷‍♂️? ,,, Well the first 100|50 worked very well until one day when about to hook up the alligator clamps, I stood “red 2 red” & “black 2 black” & while pondering the tiny spark I was...
  • Post in thread: Portable Solar Charger

    I took the experimental dual ignition system out for one of my DIY airplanes & installed magnetos. I placed the ignition system I had ripped outta my plane on my work bench. The next day, my Buddy AME, who has a key to my hangar had placed some blue tape on my bench with the words written in...
  • Post in thread: First build this summer, Canada, VW T4 lwb, 48V 100Ah or 1x 48V 50Ah now and add another later too be smoother with my budget build?

    Hi @JohnD0h So This post will be long. First, I am going to give you more grace than I generally do on forums, as I understand english is not your first language & that can be difficult & things can be lost in translation. I would be lost if I had to communicate in Francais. Un peu de...
  • Post in thread: Solar as a hobby ROI.

    Tell me about it ,,, LOL 2 more DIY projects 😁 In case you don’t see TWO DIY Projects ,,, one of them is an airstrip & the other one I can still see evidence of the paint colours in my garage @ home 😜. When I really want to waste money, I don’t do it with my “Solar Hobby” 😁.
  • Post in thread: Units moderator. There should be a units moderator assigned.

    Cut from the same stuff ,,, You & I 😁 304.8mm You can read ( feel ) the true Canadian Construction Unit Experience in @OffGridForGood posts. Imperial ,,, 2x4 ,,, Ya learn the word “Nominal” as opposed to “Normal” 😁. I was chatting with a Civil Buddy of mine, where they were paving a bridge...
  • Post in thread: Solar has been hijacked/co opted. A wakeup?

    When I was young it isn’t about IQ, but of experience. As I have lived a life & seen the Hypocrisy of Government ,,, I want all the Good things that Government brings & none of the Evil ,,, but at what cost. Freedom, or the idea of being free is very important to me & a bigger concern as the...
  • Post in thread: 12v alternator: is 24v system worthwhile?

    I will throw this out there fir your consideration; If your van’s alternator has the capacity & you are sticking with 12v, you could consider an inverter run by the alternator then 120vac to where your batteries are to a 120vac to 12vdc charger. 120vac wiring can “go long” runs with say 12...
  • Post in thread: Victron Smartsolar MPPT 100/50 12v

    I did not look into the 150 | 35. I assume the Victron numbering system is the same as the 100 | 50, which indicates 100 being the max panel voltage “in” & the 50 being the max charging amps out to the batteries. So I think you purchased the right unit as the 150 | 35 I assume can take a...
  • Post in thread: First build this summer, Canada, VW T4 lwb, 48V 100Ah or 1x 48V 50Ah now and add another later too be smoother with my budget build?

    I don’t live in my van, but I have 250Ah 12vdc AGM system. I think my use is about 600 Wh to 900Wh per day 0.6 kWh to 0.9 kWh per day ,,, that would be heavy use for us. My Kisae 14.7 v @ 50a = 735W puts back 700Wh every hour driving. I have AGMs, so it really doesn’t work like that due to...
  • Post in thread: Renogy DCC50S or Kisae DMT1250?

    Great Write Up @Sparks99 ? I recently installed the Kisae 1250 in my van & custom programmed it for the 50 amp max, so would not know if I had a lower max current if the custom resorts back to the 50 amp max default if I use the toggle ( I don’t use the toggle anyway ). I also do not use the...
  • Post in thread: Victron Phoenix Inverter 12V 1200VA 120v with induction cook top

    @HarryN has posted about the difference in induction cooktops. So ,,, It depends 🤷‍♂️. The induction cooktop make/model matters & the power pull matters (especially if 1800W the lower setting say 800W does it by pulse “time on @ 1800W”). You might be ok or not. The trick is to “match” your...
  • Post in thread: Inadequate concrete footers for EG4 Brightmount

    That is an easy calculation; I will work that out & post it here 4 U; About 5 bags if 40lbs. The amount of cubic feet in a bag might vary slightly by Manufacturer ,,, but that should be close.
  • Post in thread: 600W Solar with all-in-one Alternator Charging?

    Hi @Tomthumb62 So today, I used my Van & before starting it up after several days sitting I thought about your question & those Amazon Reviews of 5W standby parasitic drain. So I ran an experiment to get you data, so here goes; To help you understand this, the following is once I turn on my...
  • Post in thread: Rolls AGMs “S6-275AGM-RE

    So @HarryN asked me to post a bit about my Rolls AGM experience. I have purchased 3 sets of; Rolls AGMs “S6-275AGM-RE For a couple of Van builds & also my Off Grid Cabin. I have had great success with these 6v AGMs as a 2 battery bank in series to make up 12vdc @ 250Ah. The systems I use...
  • Post in thread: Does Solar Pay for Itself? Is it worth it?

    I heard once the most feared organization in the world is the IRS.
  • Post in thread: Cargo truck 24V 2200W Victron Build

    I’m not sure, but You might find the following video very interesting. It is showng the difference in a switch AC & DC. AC 1st then DC for the last minute of the video ( higher voltage 220 ,,, but you will see a difference ). Big Difference;
  • Post in thread: Truck Camper solar and DC to DC 12v mod

    I like the Kisae 1250. It is a dual DC2DC & Solar Charger ( up to 50 amps ); https://www.kisaepower.com/products/dmt1250/ Also it is very “User Programable”; https://www.kisaepower.com/wp-content/uploads/2020/04/AbsoCharger_Manual_DMT12V_24V-Series_Rev-D_190612_Print.pdf Here is some...
  • Post in thread: Truck Camper solar and DC to DC 12v mod

    Thanks for that in-depth explanation around those Lifeline AGMs & more towards the extreme side of cold ? ? I think LFP can be wonderful, but @ -15F overcoming a cold soaked battery can take some time. We all have to pick out what will work best for our intended use / environment when it...
  • Post in thread: Portable Solar Charger

    Ya ,,, I have heard the statement “That’s not to Code” many times in my career & it always makes me chuckle to which my typical response(s) are; 1) “Which Code” 2) “But is it what You Designed” 😁 ,,, Which opens up a different can-O-worms 3) “Which part of What Code” 4) “Do You Want it Right...
  • Post in thread: Truck Camper solar and DC to DC 12v mod

    @ColoradoMtnMan1 I don’t have any monopoly on cold weather, but quoting stats @ -4F is a far cry from what I understand what you are up against @ -17F Not all AGMs are created equal of course. The 1st van I built also has Roll’s AGMs & it now lives in Whitehorse Yukon ,,, seen -44C No...
  • Post in thread: Small AGM backup for diesel heater start, vs heated Lifepo4.

    Power Needs & Functionality We could chat “High Altitudes” ,,, best that topic be kept for later. The Propex uses about 2 amps ,,, diesel 10 amps to light them back down to 3 or 4. edit; Just did a screenshot of the Propex propane furnace running; So that 2.14 amps is the total system...
  • Post in thread: Noob question for van system

    I have built out a couple of Promasters. Not #vanlife , but more TravelVans. So a 24v house battery for your Sprinter ? Seems reasonable 👍. My recommendation is to not buy anything yet. Perform a load calculation spreadsheet or what some might refer to as an “energy audit” first...
  • Post in thread: Portable Power Station w Alternator Charging

    Hi @Taco Supremo Looks Good 🙌 A couple of pointers; Buy a Blue Sea fuse block with a “negative” distributive bus & buy 2-wire (red / black) marine grade wire; Ancor is another decent brant. Note the above wire is 2-wire red / black “flat cable” & the rating spec is written on the right...
  • Post in thread: Lifepo4 voltage drop recently

    Well @Echo Dawn ,,, My Experience ,,, It will be like drinking from a fire hose 😳 Tons of knowledge & very experienced members here. I typically like @sunshine_eggo posts as he stands out to be very knowledgeable ,,, but there are many members here that are very experienced. If you have an...
  • Post in thread: 48v System Alternator Charging

    Hi @steves_ambo IMO, these decisions can only be made after you know your needs / wants, “load calculations”, preliminary design, etc. But, that being said, the equation you are boils down to harvesting as much energy outta whatever alternator you will use while not burning out your...
  • Post in thread: Van build - setup design check?

    Correct You can also see the “Zero load power” consumed is 13W It has a search mode of 3W, but it starts getting tricky for fridges ,,, they need to have a mechanical thermostat not “electrical” digital. You will also see the rating is @ 25C temperature & things change as the temperature...
  • Post in thread: RV8R’s Off Grid Cabin

    A couple of days ago, I traveled to our remote off grid cabin & re-commission it. This consisted of reinstalling the 250 Ahr 12vdc Rolls Batteries & hooking up 1/2 the array 3S (3 - 100W) Solar Panels. North of the 49th parallel & some crappy weather ,,, sun, clouds, & a bit of rain. Still am...
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