Technical

Have a specific technical question? Looking for some specific advice from others in the RE community? Ask it here!

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Subject Started by Replies

Verify AH on Flooded Bateries?


Does anyone know the best way to physically verify the AH capacity of flooded batteries? This would be nice to check if...
 Bently Harris 3

Inverter to Subpanel wiring – hot/hot

« 1 2 »
Should an inverter feeding a lone subpanel feed both sides of the buss (as 220 would) then go though 2 breakers to the 110 outle...
 Bently Harris 6

solar hot water pumps


The Rheem 80 gal hot water tanks with heat exchanger seems to be popular for solar applications.  However, I noticed somewh...
 2

Solar system for workstation computer.


Hello, I’m interested in solar systems but I never did something. Now I like to know if some one can helps me to setup one...
 Francisco Ordaz 4

Battery care for summer camp


I am planning on installing a small off-grid 500w PV system in my summer cottage in Maine.  My question is about batteries....
 James J 4

blade dimensions for a wincharger 1222


Hello, I have an old 12V/200W Wincharger (1222 model) with 2 blades made out of one piece of wood (diameter being 72&qu...
 Bert Van Hoye 4

Sunlinq 6.5Watt 12V Portable Power Pack with iPod


Hi I would like to buy Sunlinq 6.5Watt 12V Portable Power Pack and use it to charge my iPod. I saw also Global Solar iPod Ac...
 Pavel Dusicka 1

economic solar water pump design

« 1 2 »
I live in the San Ildefonso Ixtahuacanm Huehuetenango Guatemala. I work with the Social Ministry of the Catholic Church in a sus...
 Todd Bauer 5

Questionnaire for site surveying to install a solar PV system


Hi everyone! Can I get a questionnaire prepared for site survey of a solar PV system which includes the following. ...
 Dare Devils 1

AC amps - DC amps

« 1 2 3 »
Hello all, I've been trying to wrap my head around a couple of things lately and was hoping someone could shed som...
 Dave C 10

Combining Sharp 224w panels


Hello; I have 2 Sharp 224w panels that I want to combine voltage on.  Can someone advise me on what I can use for ...
 Stephen Hagerman 1

Lorentz vs. Grundofs Pumps


Trying to get some feedback on Lorentz and Grundfos pumps.  We are about to install two remote livestock watering pumps on ...
 Morgan Bassam 1

Connecting two solar panels to a single charge controller


Is is possible to connect 2 solar panels to a  30A charge controller. The Solar panels are both 12 but one is 80W ...
 Dare Devils 2

Connecting to AET piping

« 1 2 »
Just recieved two shiny new AET solar panels.  The instructions with the panel state that there is a "nipple" con...
 Lawrence Lile 5

How to calculate the inverter size for a 5kw system?


I am planning to set up a 5KW solar PV stand alone system. how to select the size of inverter required for me?
 Dare Devils 1

Battery / Off-Grid system


When would you use 12v, 24v, 48v, or 96v batteries for an off-grid system? Is it strictly cost related or is there an advantage ...
 Andrew Rasken 2

bicycle solar panels


I am preparing for a solo cross country bicycle trip beginning June 1. The route will follow the Lewis and Clark Trail from Asto...
 Tony Baltes 1

can high powered DC blowers powered by solar?


Hi everyone  I am planning to have an air blower of capacity 1500cmh. That to using DC power which is directly gene...
 Dare Devils 4

Hot breakers

« 1 2 »
I’ve just put in a 14-solar panel system with a DR1524 inverter.  Everything went very well except that we had a bit of a...
 Eagle Resources 7

garage door opener

« 1 2 »
Hello to all, I would like to connect my garage door opener to one(or more if needed) solar panel(s). This opener is equippe...
 Kon Pik 5
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