All Blog Posts (98)

Thomas Edison’s Dream Smashed

Agree or disagree....but I couldn't resist sharing......

By Adam J. Crawford,…

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Added by Renewable Ray on June 28, 2014 at 9:59am — 2 Comments

Harbor Freight 750 Inverter

I did speak with the rep at Harbor Freight concerning the alarm and red light flashing and checked my batteries, but my batteries are fully charged. I don't know what else could be happening. Any ideas?????

Thanks,

Patricia

Added by Patricia Hubbard on June 17, 2014 at 1:03pm — No Comments

Solar Newbees with Three 45 Watt Harbor Freight Kits

OK, we are solar new bees bought three 45 watt hf solar kits hooked them up batteries went low voltage alarm came on so we hooked up kit number three batteries were still low12v alarm came on we were told we need a bigger charge controller we bought a thunder bolt 500w charge controller low voltage alarm came on wired solar panels in series need help with this one please

Added by sally garrison on June 6, 2014 at 2:30pm — 4 Comments

Battey venting: safety question

Newbie here. I just installed an hft system and think I've got it right thanks to all the info I've gleaned from this site. One question i cant seem to find an answer to:venting. I have 2 deep cycle marine batts in a box i built. I've installed a 2" vent tube to the outdoors (approx 70 degree angle ) in the top left corner and drilled 3, 1/2" holes along the bottom, opposite side. Will this provide sufficient passive venting for safety? Thanks for any advice !

Added by Han Smith on June 6, 2014 at 10:11am — 3 Comments

New Multi meter

Well I broke down and bought a new clamp on multi meter. My Garage Sale one showed me using 80 amps. Every thing shot that not to be true.

Yes I bought the 12 bucks HF Clamp on. To my Surprise the Garage sale one was way off. The new one showed I was using only 40 Amps. The panels are replacing into the battery bank 80 plus. I feel a lot better about the setup now. I will be replacing more of my GS tools now.

Added by dave simmon on April 28, 2014 at 5:19am — No Comments

New Multi meter

Well I broke down and bought a new clamp on multi meter. My Garage Sale one showed me using 80 amps. Every thing shot that not to be true.

Yes I bought the 12 bucks HF Clamp on. To my Surprise the Garage sale one was way off. The new one showed I was using only 40 Amps. The panels are replacing into the battery bank 80 plus. I feel a lot better about the setup now. I will be replacing more of my GS tools now.

Added by dave simmon on April 28, 2014 at 5:19am — 1 Comment

my alt energy leaning curve

Wood Furnace was a bear but up. Solar hot water heater in use daily. 4 sunforce kits 60 Amps on the roof. 10 DM 148s and Two DM 158 on the roof. A NG conversion to a generator.

Lots of wire. Mostly salvage.  I did not fry near as much as I thought I would. ( Mostly due to the support of fellow users on this form) I haven’t burned my house down. Not bad for a ex Medic. No Smoke and no fire yet

Added by dave simmon on April 20, 2014 at 2:43pm — No Comments

Old yeller went up

Lots of sunshine today battery’s stayed topped off. Then one of my 30 AMP APGtek CC did the magic smoke show and leaped to its death.

It Had been one that the lights never seemed to work the same as the others but it would go to all green lights, Yep it was a problem child but no pulse .ugly baby but it was ours, Joking squirrelly as it was it still worked righ up to its failure for 25 bucks and a year hot. I cant complain. I am ordering two so to have a backup on the…

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Added by dave simmon on April 19, 2014 at 5:13pm — 4 Comments

Attic Fans to cool house w. Evap

I think this is doable. I will be buying two of these maybe three. Going to go big with the 1900 CFMs. It says their warranties is 25 years.

Three would 5700 CFM through the cooling pads of my evaps.

If you read this and think it wont work please yell out

Dave

Added by dave simmon on April 7, 2014 at 4:41pm — 4 Comments

advice on controllers and inverters for off grid homestead

Finally getting around to installing my full system. I have been using 2 HF kits for my RV. Now I want to get my entire mismatch of parts going.

 Here is what I have and what I want to do. I need to know what recommendations you guys have on inverters/ charge controllers. All advice would be much appreciated. I have a limited budget.

I have 870 watts of the DM panels. I also have 300 watts of older Simmons. I have a xantrex C40 charge controller and a samlex 600 watt…

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Added by M B Hill on March 7, 2014 at 7:08pm — No Comments

Posting thoughts Been in school

Wow been a while since i posted. Looking back, Hot water on solar. Wife trained. 11 DM 148s hot and running. Evap cooled house on solar,Two DM 158s added. Then added two HF Kits to my light bank.Two   Battery bank in place. not bad for almost two years in. I burned up alot of lights and fried a tv and a inverter. But house is still intact. Its warming up now.

We had two power outages in here. We didn't know it. The power company has put in two of the smart meters and our bill during…

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Added by dave simmon on March 7, 2014 at 5:04pm — 2 Comments

Good Sunny Day

Came out of the bad weather slowdown. I got two 45 Watt kits up and tied into my two 12 Volt marine Batts, Lites should be good to go total watts in panels for the lights alone is now 210 Watts.

Small Job gave a moral boost to me

Added by dave simmon on December 2, 2013 at 3:51pm — 1 Comment

shading effects

if i have 4 panels mounted and one of the panels becomes partly shaded will it effect just that

one panels output or will it effect the output of all of the panels.....i have installed 4 panels "dm 145" on the roof of a 19 ft. 5 th. wheel and find that at certain times of the day at least one panel will become partly shaded.

Added by michael houston on November 18, 2013 at 10:42am — No Comments

Small Custom Home Designed for Solar & Wind -OFFGRID

I personally want a blog or place I can record progress and this is probably the best place as others can see it as well as myself.  I know others who did it used YOU TUBE or created there own website as I have been reviewing them, as I want to keep tabs on everything from cost to the last board used.

The…

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Added by Ryan Paul Romero on September 23, 2013 at 3:00pm — 5 Comments

Do it yourself solar solutions for Dummies Part 3

The TERMS of Solar :The Glossary…

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Added by Ryan Paul Romero on September 16, 2013 at 6:00pm — No Comments

Do it yourself solar solutions for dummies Part 2

The Status of Current Projects…

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Added by Ryan Paul Romero on September 16, 2013 at 6:00pm — No Comments

Do it yourself solar solutions for dummies Part 1

Feel Free to Distribute and Use this document; however I am not responsible for any action whatsoever that you do with this information.  Secondly this is a…

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Added by Ryan Paul Romero on September 16, 2013 at 6:00pm — 1 Comment

Do it yourself solar solutions for dummies Part 4

Float Charge:…

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Added by Ryan Paul Romero on September 16, 2013 at 6:00pm — No Comments

Posting thoughts

Over a year on the solar band wagon. Today inverters and switches came together wire fell into place. I had wall three inverters lit up washing machine evaporative cooler, frig, TV and DVD going all at once. No Smoke No Fire. No Hot wires after 3 hrs. I sat out watching the Power room ( Its 105 Here today) Fire extinguisher and water hose ready to go.

I was surprised the Tiger Claw 1500 seem about as good as the HF inverter.  Started everything at 9 AM shut the power room off at 4. I…

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Added by dave simmon on August 8, 2013 at 4:00pm — 6 Comments

Question About Solar Power Adequacy

Hello!

I do social networking for Harbor Freight. Recently, a customer sent me this question which stumped me, and the first thing I thought of was this group. Perhaps one of you good folks have an answer for Jim? Thank you ahead of time!

 I got 3 sets of the 45 watts Chicago electric solar panel kits and was wondering if that is enough to charge my battery system.

I have a total of 1000 amp hours (9 batteries) on the batteries and they seem to be…

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Added by dave tedder on July 18, 2013 at 9:21am — 3 Comments

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