diy solar

diy solar

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  • Post in thread: 2024 YouTube Video Ideas

    if LEDs are done, i would like to see some parallel/series combos of 12 VDC strings used with different battery voltages [eg 12, 24 or 48]
  • Post in thread: Growatt SPF 3000 split phase parallel: 1/2 grid tied?

    i want to know if there is any split-phase system that will charged the batteries from a 120vac grid input without a transformer
  • Post in thread: Victron Smart Dongle with 2 Multiplus

    i just asked the same question on the victron forums [after looking for answer there], hopefully, an answer will pop up somewhere. my motivation here is efficiency [and saving money], i'm using victron because of its high efficiency so i don't want to waste power if i don't have to. the...
  • Post in thread: Couple questions if I may for future full-timing

    because of victron's PowerAssist tech you could carry a little solar generator to give you a little extra boost while boondocking. say you have a little unit that puts out 1800 watts for 1/2-1 hours [eg bluetti AC180], that would increase a victron 3kva from 2400 watts to 4200 watts for short...
  • Post in thread: AC300 Charge controller max voltage

    are they really old panels? do you have smog?
  • Post in thread: BMS how to connect Victron EKRANO GX

    i was just looking for eloquent solutions with my Ekrano [aka not needing a USB to VE.direct adapter, etc...] i'm inquiring about the use of the VE.bus port to free up more options i have two inverters [paired multiplus II for split phase] and two SCCs. i will also have two battery banks...
  • Post in thread: Electric Hot Water Options

    even though i'm a big electric tankless fan, i agree with the others that a heat pump tank unit is the most efficient, however, don't be scared by the wattage ratings on tankless units. that number is normally the max value and you are unlikely to get anywhere near it. i have an ecosmart 18k...
  • Post in thread: Remote Electric Vehicle Charging

    multijunction panels are about 40% and near 50% with concentrators plus there is some new tech coming out soon that will boost multijunction panels a bit more, of course multijunction panels are incredibly expensive
  • Post in thread: Will 240 (120/240 appliance run off a transformer?

    i'm kind of in a similar situation as i'm working on the items i want for my van conversion project. for cooking right now i'm thinking about skipping the microwave and just using an induction plate and a small convection oven. but i want an oven large enough to fit in most common uses of an...
  • Post in thread: Growatt SPF 3000 split phase parallel: 1/2 grid tied?

    i don't have any particular case, as my slightly off topic interjection was "i want to know if there is ANY split-phase system..." but even slightly less OT my postulate still stands: it should be relatively straight forward for split phase systems to be made accepting either 120 or 240 vac...
  • Post in thread: EG4 6500 EX-48 at high altitude or alternatives

    i just noticed that Operating Altitude bit too on the EG4 6500, WTH? so most of utah, colorado, and new mexico are out of luck plus half of AZ and anyone living in real mountains? in albuquerque i've never once heard about any kind of electronic issues. there is no issue with living at...
  • Post in thread: EG4 6500 EX-48 at high altitude or alternatives

    and i just checked they have no problem with shipping the EG4 6500 to me, so in other words, they are deliberately allowing me to void the warranty?
  • Post in thread: Cutting it close but hoping it will work (2 panels and Victron 100/20)

    just to be clear the total of both panels is 549w/48.61v/10.66a or is that just one? while i have very little experience here if that is both panels then it is a lot less then i was planning on pushing through a 100/20
  • Post in thread: 50a 5th wheel with dual Multiplus configuration help

    when you are running the two multiplus in split phase, have you tried to just use one smart dongles or is two dongles necessary?
  • Post in thread: New (Old Member) Checking in

    maybe i need to know more about your "a 50a to 15a adapter where it feeds both inverters 120v same phase." is it feeding 120v to both inverters or just one? what is the source of these two 120v feeds? is it coming from a 240v source and being split or is coming from a 120v and being...
  • Post in thread: Van Electrical system

    maybe the initial diagram was updated but i only see 100 ah batteries? assuming 50 VDC nominal that is still 30 kwh, which is the same size my second leaf battery [older leafs only had 24 kwh]. either way that is a lot of power is there a good reason to have that much storage? also 800...
  • Post in thread: IRS tax credit for year 2022 and 2023

    does any know if we are allowed to buy solar panels for our RV parked at our house and still claim the rebate? if not what if the solar panels on the RV are providing power to the house?
  • Post in thread: Electric cars

    i know we have almost drained the earth of all its wind with those windmills ;)
  • Post in thread: Solar system for Electric Bus

    with that period after 'settings' it can be interpreted two ways. i know that it sounds like it should run higher amps on 120 VAC but unless they explicitly say so or someone has experience doing so i'm going to be skeptical.
  • Post in thread: 48VDC Heater mats

    has anyone tried using a Bimetal Thermostat? i use one for my passive solar heater and it works great. skip all the electronics and vampric loads
  • Post in thread: 24v heat pumps?

    i'm not able to find where it says it is 24v?
  • Post in thread: Cutting it close but hoping it will work (2 panels and Victron 100/20)

    so you are looking at 1098 watts and either 21.32 amps or 97.22 volts? i would not try it but again i'm not an expert
  • Post in thread: EG4 6500EX-48 to power Dual 20 amp 120 Volt outlets to 240 Volt converter

    minimum 3000-3500 watts total [3500-4000 to be safe], 6000 watts would be nice with a sensible maximum of 8000 to power a 7.8 kw charging cable [the OEM cable for the e-transit], however, going above 3500 watts would only be useful if i have a split phase / stacked system or a big step up...
  • Post in thread: Looking for 48v dc light switch

    possibly there might be 48v at start up but at the half way point it will 24v, which is fine.
  • Post in thread: RV 48V to power 12v Loads

    i'm hoping for more options too, i've not yet settled on how to deal with my 12 volt needs. originally i wanted to eliminate all of them and run everything on 48VDC or 120/240VAC but i realized i could save some power [eg 50-100 watts a day] by having a 12v system to run items that are...
  • Post in thread: RV 48V to power 12v Loads

    yep, dual separate solar systems is a bit silly and i hope to find something better but my situation is a little different; i don't have an alternator so unless i use a DC/DC from the 48v to the 12v i would have to rely on the small amount of power from the native 12v system in the van. i could...
  • Post in thread: Victron Lynx, need assistance

    did it work ok?
  • Post in thread: Victron Smart Dongle with 2 Multiplus

    is it possible to change between split phase and parallel configuration? how much is involved? can you do it with the gerboGX and victronconnet or do you need a MK3-USB connection?
  • Post in thread: Will 240 (120/240 appliance run off a transformer?

    you said you have "multi pluses" if you have two victron multiplus you can set them up as a 120/240 split phase system
  • Post in thread: existing portable power stations with simultaneous 120VAC input and 240VAC output

    not sure where commercially available portable power stations [aka solar generators] discussions should live so please move this thread if need be. i'm hoping someone has already done some digging on this to save me time/hassle, i want to know the current/future portable power stations that...
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