harold thompson
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  • Cambridge, OH
  • United States
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harold thompson's Discussions

Care and Safe Use of GTI eg. 300W and 500W

Started Jun 18, 2012 0 Replies

I bought one each.I have the harbor freight 45W kits and the new 145W panels available.I have the ability to have both 12V and 24V battery banks with their own controler.I have read that it is best…Continue

Hooking up the New 140 Watt Panels

Started this discussion. Last reply by harold thompson Jun 1, 2012. 6 Replies

I have the below controller. It will accept 600 watt in the 12 volt battery bank configuration.If I am reading it correctly I can then hook up only four panels of 140 watt each.I do not want to go to…Continue

30 Amp Camper

Started this discussion. Last reply by hoopty_yo May 24, 2012. 1 Reply

I would like to know if anyone has experience with providing power to a camper.I have a camper parked by my garage.I would like to hook it up with an adapter to the 30 amp cable.I have the 110 to 30…Continue

What Battery to Buy

Started this discussion. Last reply by Renewable Ray May 6, 2012. 4 Replies

I have a couple of Autozone RV batteries at present. (100ah each)I have 6 Harbor Freight Kits at present and…Continue

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Latest Activity

harold thompson replied to Jeff Benedict's discussion How to hook up grid tie?
"Where is the search bar? I have been looking at the site for a while and have never seen it. Color code same please."
Jun 29, 2012
harold thompson replied to Mr. Noob's discussion This thread is dead...where did everyone go! in the group Passive Solar Air Heaters
"I have my eye on you tube, pop can solar heaters. I am saving my cans and hope to try a build with dc computer fan before winter."
Jun 29, 2012
harold thompson joined jerry l. stark's group
Jun 29, 2012
harold thompson joined Renewable Ray's group
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DM Solar 145 Watt Panel Owners Group

With so many of our members buying [or will be buying] these 158 watt panels it only seems fitting that we have a group just for them.See More
Jun 27, 2012
harold thompson replied to Ron P.'s discussion Let's Talk Grid Tie Inverters! - Thoughts, Experiencess (also 12V or 24V- which way to go?)
"Your powerbrite  1100 inverter, is it pure sine wave or modified? I have heard of issues with cell phone chargers and various motors having issues with no sine wave type inverters. Have you have any issues? I would line to get the freezer and…"
Jun 27, 2012
harold thompson replied to Ron P.'s discussion Let's Talk Grid Tie Inverters! - Thoughts, Experiencess (also 12V or 24V- which way to go?)
"I am also a ham radio guy.  I am just getting started.  I think I will go 12v due to most equipment in the ham world needing the same.  I hope to turn my 31 foot camper into a ham shack. I am not using it for anything else, except to…"
Jun 26, 2012
harold thompson updated their profile
Jun 25, 2012
harold thompson replied to W.R. Wahlquist's discussion 220 Volts and Pumps
"Thanks for the heads up on the two xantrex  idea. I will go with the the one xantrex and add on sun gti's which are stackable. I have a 1000watt that is rated at 900 watt continuous. I also have a 500 watt, and a couple of 300 watt. I am…"
Jun 25, 2012
harold thompson replied to W.R. Wahlquist's discussion 220 Volts and Pumps
"Thanks for the info. the experience of the members is valuable. However this brings another idea and question.  If I hook up the 15 amp xantrex 1800 up with one output of 15 amps, then can I hook up two of them into the same power box. This…"
Jun 25, 2012
harold thompson replied to W.R. Wahlquist's discussion 220 Volts and Pumps
"My plan is to convert the pump which is less than 25 feet down in a dug well to 110volt. Put solar equipment on the well house roof and on a storage shed I am going to build at the same site. I can then provide power at the site and when not in use…"
Jun 24, 2012
harold thompson replied to W.R. Wahlquist's discussion 220 Volts and Pumps
"I do not know if it would work or not, however my idea is as follows: 1. 110v inverter that puts out at least 15amps.  I have one that puts out two  plugs of 15 amps each. 2. Run both lines of 15 amps into an 220 ac power box, attached to…"
Jun 24, 2012
harold thompson replied to Bill K's discussion All this power.....and no where to put it....
"I have a energy saving water heater. It has a box on the top that can monitor usage and adjust for savings. Do you think it could be converted to 12V DC? My thought is that it is to fancy convert to DC. Anyone convert one like mine?"
Jun 22, 2012
harold thompson replied to Gary Hongista's discussion Mounting 2x4's on the roof
"I have not mounted to the roof yet. I have enough space to post mount mine. However, in looking at pictures and videos I have noted. 1. Allow space for water to exit roof. Do not block water flow completely. 2. Many use small treated 2x4 blocks…"
Jun 19, 2012
harold thompson posted a discussion

Care and Safe Use of GTI eg. 300W and 500W

I bought one each.I have the harbor freight 45W kits and the new 145W panels available.I have the ability to have both 12V and 24V battery banks with their own controler.I have read that it is best not to max out the gti's sun-500g is actually 450w normal output power with 10.8v to 30v input voltage.My question is how do I limit the watts in to the GTI?Do I just add up the watts of the panels going to the GTI?I plan to use 15a breakers in a squrare d power box.  Two harbor freight to each…See More
Jun 18, 2012
harold thompson replied to Ken Bolin's discussion My Problem
"Can you run the gti from your 24v battery bank just like and inverter and leave the solar panels charging the battery bank?"
Jun 11, 2012
harold thompson replied to hoopty_yo's discussion What GTIs Are We Using?
"I am interested in the gti's. Can you guys share where to buy them.  I am able to set up both 12v and 24volt battery banks.  I looked on ebay and they have 600watt and 300watt for sale.  I know everyone is always thinking of the…"
Jun 11, 2012

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