Technical

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Subject	Started by	Replies
Combining Grid power and solar power « 1 2 » Hi, I want to install a solar PV system along with grid power such that when there is a deficit of solar energy, I has ...	Tech Guy	8
Homegrown solar power gable mount attic ventilation I am reposting this in the correct forum topic. I watched the video of the gable fan install and it is very straightfor...	Todd Lyons	0
Battery bank weak after adding water to batteries « 1 2 » Hello, I have a bank of 6 4v Surrette deep-cycle batteries that have been online for about 1.5 years. I recently ...	Samuel Klawitter	9
Need to know details on hooking up 17V panels « 1 2 3 » Salutations! I just recently purchased a bunch of old solar panels and am kinda confused on the system configuration. ...	Mike Nork	13
Hydrometer readings and saving or extending battery life « 1 2 » Hi, I have 24 12V Deep Cycle Marine Batteries strung into 24V, I have done multimeter readings both before and after equalizatio...	Paul S	5
Solar Water Heater Problem. After about 10 years of not running due to the circulation pump being broken, I decided to replace it and get the system going a...	James Miles	2
MPPT Charge Controller Question « 1 2 » I currently have a Sunforce 30 amp charge controller and bought a Blue Sky 2000e 25 amp 12v mppt controller. After swapping out ...	Dean M	5
Help with Electrical component of turbine « 1 2 » Hey, I am working on a vertical axis water turbine for my thesis project, and I am running into some problems trying to...	Bob M	8
Deka 8G8D Batteries Float Time, Absorb Time, and Refloat voltage I programmed my Outback MX60 Charge Controller for 24 volt Deka 8G8D batteries with no trouble. I recently purchased an Ou...	James Coleman	2
Codes in MA about doing home brew hot water on the roof??? I have seen a considerable amount of discussion on some sites that I consider reputable, on how to home-build solar hot-water pa...	Arthur T	2
Feeding oil burner with SHW Does anyone know if this is possible? Would the oil burner realize that the feed water entering the inlet is preheated? Would th...	Jeffrey Guevara	3
fusing parallel battery strings My PV system, (will be up an running in two weeks), has a battery bank of 4 parallel battery pairs. I have heard that thes...	James J	1
wattage, voltage, charge controllers oh my! Just tried to set up a Sunfilm 1200 (1.2 amp) flexable pv panel to charge 12 V batteries on a small sailboat. The contacts from ...	Gary Barney	1
Multiple MPPT loads for PV panel -- bad idea? Hi all, I am designing a solar heating system for a hot tub and I am contemplating using a 135W PV panel with two ...	Alice Reinheimer	4
Solar Panel Maintenance What is the proper method of cleaning solar panels?	John Siebenaler	4
Solar Power for Florida Island « 1 2 » Folks, I have an island on central FL gulf coast w/ no access to utilities. I'm building a small (1,200 sq ft) st...	George Foster	5
AGM batteries - Life Expectancy « 1 2 3 » Ok, everytime I ask how long batteries should last, I get the "it depends" answer So here's a hypotheti...	Patrick Guenette	12
need advice for a secondhand solar panel that draws 18-19v without a load « 1 2 » Hello all. I have a secondhand solar panel that draws 18-19v without a load. I don't know the amperage, but can...	Tod Emko	9
Stacked Xantrex 3624 inverters I need help i have a stacked pair of 3624 inverters connected to 12 2ks 33ps 2 volt batteries the problem that i am having is th...	Ian Sealy	2
Help Needed Please « 1 2 » Hi there, we are relatively new to RE, and wondered if anyone could advise on the following problem we are experiencing. ...	Janet Gregory	5

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