DM Solar 158 Watt Panel Owners Group

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DM Solar 158 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.

Website: http://www.amazon.com/gp/product/B007VPQP5Q/ref=as_li_tf_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B007VPQP5Q&linkCode=as2&tag=newworldsolar-20
Members: 57
Latest Activity: Nov 18, 2013

Discussion Forum

Question about the MC4 connectors and wireing.

Started by Johann. Last reply by ditmar b Mar 8, 2013. 7 Replies

I checked on Amazon and those connectors are rated for 30 A. But the connectors are for either wire-size # 12 or 10.  Seeing the amperage and the wire size of those connectors  makes me believe that …Continue

Question on blocking diodes

Started by M B Hill. Last reply by Johann Feb 22, 2013. 7 Replies

Do the DM panels have a blocking diode built in or do I need to add them? If I need to add them, which would be appropriate? An 8, 10 or 12 amp?Thanks MBContinue

Disconnect, Circuit Breakers, and GFI

Started by Kevin. Last reply by Johann Feb 14, 2013. 6 Replies

I am looking to install a disconnect between my panels and my controller and between my controller and my batteries. I see that the Square D QO series that is available at Lowes is rated up to 48…Continue

Houseboat going solar!?!

Started by newbinator Jan 6, 2013. 0 Replies

To all veteran forum users here is a few questions...I have the following hardware,1 Xantrex Freedom 458 2000W Inverter/charger1 Xantrex C60 charge controller4 DM 145 panels1 Cobra 2500W Inverter1 HF…Continue

Tags: Xantrex, houseboat

Comment Wall

Comment by John J. on June 29, 2012 at 12:36pm

Crossed into the crystaline realm - camp will never be the same ;)

I'll have some work to do there, well I'll always have work to do up there.

Comment by John Valente on June 30, 2012 at 12:23pm

I've just purchased one of the DM145W's yesterday.  I presently have 6 solar panels ( 2 three panel kits) from Harbor Freight  and I'm a bit confused on the handling capability of the controller's that came with the Harbor Freight kit.  Presently I am using both controllers and then parallelling the two outputs to one 12 Volt battery.  Do I need to buy another controller for the DM 145W or is there a way I can use the two controller's I have now?  I'm not sure of the handling capacity of the controller's that come with the Harbor Freight Kit.  Thanks for any advice you can send my way.  Thanks - John

Comment by John J. on June 30, 2012 at 1:54pm

Hey John; you'll need another controller as the h/f kit controller isn't designed to handle the amount of amps the 145 can generate. Not only that but you could do with a 2nd 12v deep cycle in parallel to store the juice presuming it's all for the same system.

Comment by John Valente on June 30, 2012 at 2:02pm

Thanks John,

    I was watching videos on YouTube and saw that someone had the cells all parallelled into a Grid Tie Inverter and just had it plugged in the wall to ???Backfee??? the power into the grid.  Is it that easy to do, just tie all panels in parallel to the Grid Tie Inverter and plug it in, rather than charging the battery? 

Comment by John Valente on June 30, 2012 at 2:05pm

P.S.  Do you know what the Harbor Freight 45 Watt Solar Kit controller is rated at?  In other words, could I be using six 15 watt panels (90 watts)  through it or it it only rated at the 45 watts?  Right now I'm using both controllers, 3 panels on each, and then parallelling them to the battery.

Comment by Raymond Dias on June 30, 2012 at 2:10pm
The controller that comes with the kits can only handle up to 4 of the panels at most. About 4amps before it fails. The 145 watt panels from dmsolar would probably fry them. You need another controller that can handle your new panel(s)
Comment by Renewable Ray on June 30, 2012 at 2:41pm

@John V.    You need a controller that can handle at least 8 amps. A lot of members use the Sunforce 10 amp and that would be fine if you are sure you are only going to use one of the 145 watt panels with it. If you want to add panels you would be better off with the Sunforce 30 amp. If money is no object you would be further ahead to step up to something like the Xantrex C40 which has a lot more capabilities and is probably a lot more reliable.

Comment by John Valente on June 30, 2012 at 3:14pm

Okay, it looks like I'll be buying a new controller shortly then.  How about my other question?  Is anyone familiar with a grid tie inverter.  As I had mentioned, I saw a YouTube video where a person had his kit tied right into the Grid Tie Inverter (Forget the name but it was a 300 Watt one) and from there, he just plugged it into a wall outlet.  Any comments on that???

 

Comment by Mark Adams on July 8, 2012 at 9:42am

I would like to put a amp meter on the output of the 145 panels. I have 2 at the moment. What kind of meter do you guys recommend. Just do the Ebay thing?

Is there such a thing as a recommended parts list?

Comment by John Valente on July 9, 2012 at 7:46am

Hi Mark, I picked up one of those little red digital multimeters they sell over at Harbor Freight.  Actually, I got it for free with a coupon a few months back.  I use that to check the amp output of my solar panels.  The meter is usually on sale in the 5 dollar range but you can check up to 10 amps with it.  I'm anxiously awaiting the arrival of the DM Solar 145 panel so I can check the amp output on that.  I was down at Harbor Freight yesterday to pick up a controller that would handle it but they were out of stock in Rhode Island.  What kind of controller are you using Mark?

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