12-Pack ECO-WORTHY 410W 31V Mono Solar Panels

majorhavoc

4d ago

2,937 Posts

Joined Oct 2008

4d ago

majorhavoc

4d ago

2,937 Posts

Quote from dehchoppa

:

I'm trying to understand how people are computing ROI. At current utility rates of roughly 21c/kWh, I'm already paying less per month for electricity with professionally installed panels than I would otherwise. My ROI is ... right now? That's without any utility increases in the next 10 years (life of the loan).

Having a hard time reconciling your claim of an immediate ROI with your reference to a 10 year loan, which you appear to be saying hasn't yet been paid off. Maybe I'm misunderstanding you, but are you sure you understand what ROI means?

1

RoyGeeBiv

4d ago

248 Posts

Joined Jan 2017

4d ago

RoyGeeBiv

4d ago

248 Posts

Quote from kfpworld

:

Move to a small town in TN. No code dept

You can ground mount them and plug it all in to an off-grid system with a mobile battery.

UltraLazer

4d ago

1,443 Posts

Joined May 2006

4d ago

UltraLazer

4d ago

1,443 Posts

Quote from HWTactics

:

10 kilowatts of solar of would give 1/4 charge in a day? Maybe for a Hummer EV!

when a panel is 400w, that means prime conditions as in near the equator and around solar noon. solar prime time is only 2-3 hrs a day. and if you have clouds then cut those numbers my 1/3rd. the low end teslas are like 54kw and the high end teslas are about 93kw. my numbers are bunch of hand waving but, i still think it goves people a general idea of the size of the investment to make it practical for everyday use.

2

guyrelax

4d ago

975 Posts

Joined Aug 2007

4d ago

guyrelax

4d ago

975 Posts

Quote from MrPerfect69

:

Will this charge my Tesla

most people don't realize how much solar you would need to charge a tesla in a reasonable time. There's companies that made fold out panels for ev's that span the length of the car. And even with optimal sun you'll get 20 miles a day at best. You would need a huge array bigger than this to power a decent sized house while also charging a tesla at level 2

guyrelax

4d ago

975 Posts

Joined Aug 2007

4d ago

guyrelax

4d ago

975 Posts

Quote from kfpworld

:

Move to a small town in TN. No code dept

just don't get permits. such a scam for most things. jacks your taxes. just have them installed properly

1

sfoo

3d ago

241 Posts

Joined Dec 2006

3d ago

sfoo

3d ago

241 Posts

Quote from finalresort

:

Anyone have a spec sheet for these panels?

In the listing one of the pics has the specs, 31.3v/13.1a, open circuit 37.5v, short circuit 13.84a. 67.87*44.65*1.18in/1724*1134*30mm, 45.2lbs/20.5kg. Connector Type
MC4.

https://pg-cdn-a2.datacaciques.co...51c49a.jpg

Galahad

3d ago

773 Posts

Joined Oct 2008

3d ago

Galahad

3d ago

773 Posts

Quote from UltraLazer

:

when a panel is 400w, that means prime conditions as in near the equator and around solar noon. solar prime time is only 2-3 hrs a day. and if you have clouds then cut those numbers my 1/3rd. the low end teslas are like 54kw and the high end teslas are about 93kw. my numbers are bunch of hand waving but, i still think it goves people a general idea of the size of the investment to make it practical for everyday use.

The panels are rated for a 1000 W reference irradiance and a 37 degree tilt so it sounds like a mid latitude optimum, not equator which should have an irradiance close to 1400 W (and a much lower tilt). According to https://pvwatts.nrel.gov/ , a 10kW install should produce ~28 kWh per day in Jan and ~47 kWh per day in June.

1

VioletHealth8715

Yesterday

570 Posts

Joined Jul 2022

Yesterday

VioletHealth8715

Yesterday

570 Posts

Quote from kfpworld

:

Move to a small town in TN. No code dept

Please stop encouraging people, especially northerners to move to TN. It's literally being flooded and ruined by it.

1

NateRules

Yesterday

1,712 Posts

Joined Aug 2011

Yesterday

NateRules

Yesterday

1,712 Posts

Quote from guyrelax

:

most people don't realize how much solar you would need to charge a tesla in a reasonable time. There's companies that made fold out panels for ev's that span the length of the car. And even with optimal sun you'll get 20 miles a day at best. You would need a huge array bigger than this to power a decent sized house while also charging a tesla at level 2

I mean, 20 miles is enough for a lot of people. Just googled it and they get about 4.5 miles per kwh. These are almost 5 kw iso even if you were only getting 3 kw, you would be getting 45 miles in the 3 best hours of the day. That would cover most people. And if you created an off grid system to charge it so you didn't need to pay for really expensive install and permits and stuff you could really save some money pretty quick.

RyanJ7344

7h ago

959 Posts

Joined Sep 2015

7h ago

RyanJ7344

7h ago

959 Posts

I would avoid these at all costs - Eco Worthy is not a manufacturer, and basically just slapping their name on whatever panels they are getting a deal on.

I bought 16 panels from them and ended up with panels that were from 3 different manufacturers and had different appearances and slightly different sizes. ( they all had the same eco-worthy model number)

If you are looking for panels, check out A1SolarStore - they have several pickup locations across the country that can save you a bunch.

12-Pack ECO-WORTHY 410W 31V Mono Solar Panels

$1,530

$2,000

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