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Canadian Tire

CT - NOMA 50W Amorphous Solar Panel Kit - $119/$99/$79 (depending on location) clearance (reg $349)

  • Last Updated:
  • Jan 25th, 2021 7:16 pm
Deal Fanatic
Dec 19, 2005
7735 posts
995 upvotes
Waterloo
seafish wrote: it's 50W, might be overkill I think. But depends on the pump.
I'd love to have it on 24/7 wonder if that would work lol
Deal Fanatic
Dec 19, 2005
7735 posts
995 upvotes
Waterloo
My string lights from Costco is usually on 8 hours a day which is awesome. I've been looking for a decent deal on a solar water pump but their in the 400.00 range
Sr. Member
Mar 29, 2019
532 posts
662 upvotes
Soo... can these be used to power a pool filter ????
Deal Addict
Jan 19, 2007
1119 posts
1078 upvotes
psyko514 wrote: Can you explain the difference between amorphous and crystalline? As for 50W vs 25W, is the only difference that 50W will charge twice as fast as 25W?

I'd be using this to charge a camper battery. Thanks.
If you purchase two of them of course you'd get 50w but two separate charge controllers.

Crystalline vs. Amorphous - crystalline is more efficient and less prone to overheating but slightly less efficient in areas of shade. Also, from quick research, amorphous panels wattage production drops 10%-15% within 90 days but the rating on the panel is supposed to accommodate that? Crystalline drops only 5% over 90 days.

It seems most of the modern/current panels use crystalline.
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User avatar
May 9, 2009
6685 posts
2918 upvotes
Montreal
kronos288 wrote: If you purchase two of them of course you'd get 50w but two separate charge controllers.

Crystalline vs. Amorphous - crystalline is more efficient and less prone to overheating but slightly less efficient in areas of shade. Also, from quick research, amorphous panels wattage production drops 10%-15% within 90 days but the rating on the panel is supposed to accommodate that? Crystalline drops only 5% over 90 days.

It seems most of the modern/current panels use crystalline.
Thanks for the help! Based on the reviews of the 25W panels, the included controller is garbage and should be replaced. So if I got two of these kits, could I connect the two panels in series to a new controller?
Deal Addict
Jan 19, 2007
1119 posts
1078 upvotes
psyko514 wrote: Thanks for the help! Based on the reviews of the 25W panels, the included controller is garbage and should be replaced. So if I got two of these kits, could I connect the two panels in series to a new controller?
It seems that most of the controllers packaged with the Nomas are so-so. Many people that I know of opt for a separate better charge controller. Personally, I'd run the controllers into the ground first and then buy one down the road.
Deal Guru
User avatar
Dec 11, 2004
10801 posts
3345 upvotes
Montreal, QC
Get a MPPT charge controller and extract much more power out of these panels.

No need to spend a fortune, just make sure it's a true DC-to-DC converter.
Deal Expert
User avatar
Mar 22, 2007
28735 posts
9340 upvotes
Hamilton
Damn. Someone bought all the ones at Burlington Fairview at $79.99
hated on but respected.
Deal Addict
Aug 21, 2007
3127 posts
3148 upvotes
I don't think this is a great deal, the original price is inflated. They have 100W panels on sale a few times a year for $110-$120
Deal Addict
May 25, 2011
3439 posts
5454 upvotes
GTA North
Daijoubu wrote: Get a MPPT charge controller and extract much more power out of these panels.

No need to spend a fortune, just make sure it's a true DC-to-DC converter.
Any recommends senpai? Will it make my system daijoubu? /=^.^=\
...Location: GTA North
If this post has helped you please click the 'THANKS' button.
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Deal Guru
User avatar
Dec 11, 2004
10801 posts
3345 upvotes
Montreal, QC
thedealhunter2000 wrote: Any recommends senpai? Will it make my system daijoubu? /=^.^=\
Low power system < 50W, you can do pseudo MPPT (tracks Vmpp, these panels probably operate best at 17-18V in full sun), $10-15 on ebay, search for CN3722 or "MPPT 5A" (it's more like 3A without active cooling), you want the variant as picture below with the 2 little blue trim pots and heatsink that lets you adjust the Vmpp and charge voltage.

https://www.amazon.ca/DAOKI-Controller- ... 07YKGLX93/
Can be adjusted to work with 6-12V lead acid or 2-4S lithium-ion (7.4-14.8V), you can do higher voltage but only if you have 2 panels in series to double the input voltage, these basic MPPT charge controllers can only do DC-to-DC step-down/buck convertion (output voltage lower than input)

Need some electronics knowledge/DMM for the initial setup.
https://robotzero.one/5a-mppt-charger-instructions/

Or you can get one of these UEIEA CPY or CPS, about $30-40 on ebay, etc. for 12-24V lead acid batteries
https://www.amazon.ca/Cpy-CPY-20A-CA/dp/B07H5GM342/
[OP]
Deal Addict
Jun 7, 2005
4374 posts
209 upvotes
SomeGuyNamedBob wrote: I don't think this is a great deal, the original price is inflated. They have 100W panels on sale a few times a year for $110-$120
Yep, but usually not with the charge controller. This is a pretty good deal for an all-included kit, especially in peak RV season.
[OP]
Deal Addict
Jun 7, 2005
4374 posts
209 upvotes
For those wondering, I had no problem at all getting price adjusted to match another store that wasn't too far away from where I purchased. As long as they had stock.
Sr. Member
User avatar
Apr 19, 2004
962 posts
460 upvotes
Earth
Thanks OP. I was able to buy one. $99. Was able to PM Bowmanville store. They had 20
Sr. Member
User avatar
Apr 19, 2004
962 posts
460 upvotes
Earth
Thanks OP. I was able to buy one. $99. Was able to PM Bowmanville store. They had 20
Last edited by hseeng on Aug 12th, 2020 9:14 am, edited 1 time in total.
Deal Expert
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Mar 22, 2007
28735 posts
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Hamilton
Looks like they restocked at Burlington store for $80.

Any pictures of your set ups guys?
hated on but respected.
Sr. Member
User avatar
Apr 19, 2004
962 posts
460 upvotes
Earth
First time use this weekend. Seems to work. Using to to charge a group 27 batt for a RV & run CPAP machine...

Everstart battery grp27 120amp hour. Brand NEW 12/2020 manufacture date

Day1
Initial Volts 13.x v
After 7 hours of CPAP 20watt average draw
12.31 Volts in morning
Solar panels charging in 60% shade over the day brought it back up to 13volts.

Day 2
Morning Volts 12.41
Ran inverter 2 hrs to charge 8 cell phones @12.21v
12.6v (100%) after a 8 hrs of changing

Day 3
Morning Volts 12.22
Ran inverter and plugged in cell phones directly in solar charge controller.
Was a 50% cloudy day and panels most likely in the shade most of the day
Charge got to 12.39v
By night time charge was 12.21 (60% battery left)
CPAP machine would start but shut off. My guess is due to voltage drop. Had to sleep in the truck because of snoring.

These 25watt x 2 = 50w work but need more of them
Images
  • 20200812_083801.jpg
Last edited by hseeng on Aug 14th, 2020 8:37 am, edited 2 times in total.

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