Technical Discussion: Other

Have a technical RE question that doesn't fit in our other categories? Looking for some specific advice from others in the RE community? Ask it here!


Subject Started by Replies

Ballast system for flat roof

I will be installing a fairly large array on a flat membrane roof.  Does anyone have info on ballast systems, how much weig...
Sam Avery 0

Bang Bang Bang goes my solar hot water heater

When the sun is shinning bright and the panels are a cooking, the pipes in the solar hot water system start to bang. It...
Jim Patera 10

Barbeque heat engine driving a generator-12V deep cycle battery-grill motor

I want to drive a small 12vDC generator from a heat engine attached to a barbarque grill.  The generator will maintain the ...
Don Vosberg 2

basic inverter wiring question

I've been looking more closely at some of the inverters available and how to go about wiring a system.  I've noti...
Brian P 5

Basic Solar Advice

What would be needed to put together an 80 watt system using four 20 watt panels? Would a charge controller be needed between th...
Joey LaHatte 1

batter charging

if i wire two 12v batteries in series to produce 24v at the end connection. do i need to produce 12v or 24v from my wind turbine...
Nathan Plass 1


I have 8 12V batteries parallelled togather with 105 amp hrs each. They are marine deep cycle batteries which I understand are n...
David Szymas 16


Murray Rourke 3

Batteries don't seem to hold a charge

Early this summer, I came across 6 Caterpillar Batteries. They are all 12v Deep Cell 100Ah 750ccA batteries. I already had 4...
Steven Messer 3

batteries needed

Im looking at a house that is off the grid right now it uses propane for lights an refrigeration and a diesel as nessesary for e...
Wayne Kobe 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

Battery AH Confusion

Quick question that have been wondering about, I have a 12V battery, but I forgot the exact specs of the battery that w...
Ian Williams 1

Battery and Inverter recommendations...

OK, my head is swimming with all the different options and ways of generating and storing electricity and I need some recommenda...
Dawn Buxton 5

Battery Bank

I came across a faulty battery on 24 volts system with 200 amp-hr bank capacity. 2 strings of 100 amp-hr The battery ban...
Usman Kazaure Abdullahi 1

Battery bank calculation

Hi,  In the calculators on the web that I've seen used to compute the number of batteries needed in a battery bank, all cal...
Ed Mansky 2

Battery Bank Configuration - Wiring

I have 12 x 110 Ah batteries @ 12 volt, I'm experience voltage drops with small loads on the inverter. What is the...
Steve M 8

Battery bank generator

Im want to build a small back-up 24 volt battery bank generator. I have a 125 amp, 24 volt electrodyne alternator, I want to tur...
Russell Rogers 2

Battery bank size

Dear Mr.JC, How are you? Hoping for the all well. This is Sandeep writing you for the first time. I calculated one Sola...
Sandeep Kumar 2

Battery bank weak after adding water to batteries

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

Battery basics: cost analysis $/cycle

greetings all. anyone out there have chart / data comparing DOD/Cycle/Cost of the usual battery manufacturers? ...
Jason Arnold 0

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