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expired Posted by Skillful_Pickle | Staff • Jun 20, 2025
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expired Posted by Skillful_Pickle | Staff • Jun 20, 2025

ECO-WORTHY Solar Kit: 4x 100W Panels, 40A MPPT Controller, 280Ah Battery & Inverter

+ Free Shipping

$765

$1,000

23% off
eBay
15 Comments 13,345 Views
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Deal Details
eco-worthy-us via eBay has ECO-WORTHY 3.5KWH Solar Panel Kit on sale for $899.99 - $135 with coupon code THINGSYOULOVE at checkout = $764.99. Shipping is free.

Thanks to Staff Member Skillful_Pickle for sharing this deal.

Kit Includes:
  • 4x 100W Solar Panels
  • 1x 40A Mppt Solar Controller
  • 1x 12V 280Ah LiFePO4 Lithium Ion Battery
  • 1x 2000w 12v-120v Inverter
  • Accessories

Editor's Notes

Written by citan359 | Staff

Original Post

Written by Skillful_Pickle | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
eco-worthy-us via eBay has ECO-WORTHY 3.5KWH Solar Panel Kit on sale for $899.99 - $135 with coupon code THINGSYOULOVE at checkout = $764.99. Shipping is free.

Thanks to Staff Member Skillful_Pickle for sharing this deal.

Kit Includes:
  • 4x 100W Solar Panels
  • 1x 40A Mppt Solar Controller
  • 1x 12V 280Ah LiFePO4 Lithium Ion Battery
  • 1x 2000w 12v-120v Inverter
  • Accessories

Editor's Notes

Written by citan359 | Staff

Original Post

Written by Skillful_Pickle | Staff

Community Voting

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14 Comments

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Jun 20, 2025
1,773 Posts
Joined Jan 2009
Jun 20, 2025
siniestro02
Jun 20, 2025
1,773 Posts
any toughts on the charger controller?
1
Jun 21, 2025
18 Posts
Joined Jan 2025
Jun 21, 2025
CleverHaddock7640
Jun 21, 2025
18 Posts
Whoa… this… uh… wait it seems enough to displace a fridge?! Hm… 100w x 24 h = 2400 wh so maybe it is near there… the batter provided is 280 x 12 = 3360 wh so it will work if every other day is sunny at least. Fascinating. I wish there is a way to use this batt and then the main supply.
Last edited by CleverHaddock7640 June 21, 2025 at 09:19 AM.
Jun 21, 2025
2,214 Posts
Joined Sep 2010
Jun 21, 2025
scdiamond
Jun 21, 2025
2,214 Posts
So how long would I need to use this to get + ROI for my home electronics?
Jun 21, 2025
500 Posts
Joined Jun 2007
Jun 21, 2025
gomelkiev
Jun 21, 2025
500 Posts
Quote from scdiamond :
So how long would I need to use this to get + ROI for my home electronics?
try here
https://pvwatts.nrel.gov/pvwatts.php
for FL, i got ~600kWh per year , 15 cents per kWh, 90$, ROI - 8-9 years
Jun 21, 2025
590 Posts
Joined Apr 2006
Jun 21, 2025
mwfromva
Jun 21, 2025
590 Posts
Quote from gomelkiev :
try herehttps://pvwatts.nrel.gov/pvwatts.phpfor FL, i got ~600kWh per year , 15 cents per kWh, 90$, ROI - 8-9 years
That's better than whole house solar! I'm in for 400 of these!
1
1
Jun 21, 2025
292 Posts
Joined Dec 2014
Jun 21, 2025
vsluong
Jun 21, 2025
292 Posts
Quote from CleverHaddock7640 :
Whoa… this… uh… wait it seems enough to displace a fridge?! Hm… 100w x 24 h = 2400 wh so maybe it is near there… the batter provided is 280 x 12 = 3360 wh so it will work if every other day is sunny at least. Fascinating. I wish there is a way to use this batt and then the main supply.
You could wire it in with an automatic transfer switch.

Also most fridges have a 50% duty cycle, so they really only run half the time. But you would have to consider inverter inefficiencies and the fact that the inverter needs to be on all the time
Jun 21, 2025
3,724 Posts
Joined Dec 2008
Jun 21, 2025
konoplya
Jun 21, 2025
3,724 Posts
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Last Sunday
22 Posts
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Last Sunday
EugeneP7873
Last Sunday
22 Posts
Quote from mwfromva :
That's better than whole house solar! I'm in for 400 of these!
Not really. My 7KW system produces 11000KWh a year and cost me $16000. So they are about equal. But I know for sure that my system produces 11000KWh and that includes all non-sunny days and it is on the roof but that small system would need to be positioned in direct sun and all days would have to be sunny. Maybe in the desert.
Last Monday
5,206 Posts
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Last Monday
Luigis3rdcousin
Last Monday
5,206 Posts
If you're only using the one battery at 12v, I don't know how you would run a fridge, don't you need at least 24-48v for that?
Last Monday
1,340 Posts
Joined Dec 2005
Last Monday
alphawave
Last Monday
1,340 Posts
Quote from Luigis3rdcousin :
If you're only using the one battery at 12v, I don't know how you would run a fridge, don't you need at least 24-48v for that?
The 2K inverter shouldn't struggle too much on a common fridge, but you won't be running the whole kitchen on it. Secondly a pro tip..if you have a fridge with auto-defrost, figure out how to turn it off (sometimes a timer can be turned off), as the defrost 'cycle' burns through a ton of energy for no real gain during an extended outage.
Last Tuesday
26 Posts
Joined Dec 2016
Last Tuesday
dmaclaren2
Last Tuesday
26 Posts
Quote from gomelkiev :
try herehttps://pvwatts.nrel.gov/pvwatts.phpfor FL, i got ~600kWh per year , 15 cents per kWh, 90$, ROI - 8-9 years
[IMG]https://static.slickdealscdn.com/images/smilies/frown.gif[/IMG]
ther year
Last Tuesday
11 Posts
Joined Mar 2009
Last Tuesday
herdnerfer
Last Tuesday
11 Posts
Would this be a good setup to charge a 42kwh EV battery off grid with level 1 charging?
Last Thursday
10 Posts
Joined Feb 2012
Last Thursday
jml845
Last Thursday
10 Posts
Quote from herdnerfer :
Would this be a good setup to charge a 42kwh EV battery off grid with level 1 charging?

You probably could do some level 1 charging with this, but if my math is right, the panels will only produce around 1 kwh per day( maybe 2kwh). So if the EV battery was empty, it could take 30 or 40 days to fully charge it.
5d ago
5 Posts
Joined Dec 2014
5d ago
JustinW1935
5d ago
5 Posts
Quote from vsluong :
You could wire it in with an automatic transfer switch.Also most fridges have a 50% duty cycle, so they really only run half the time. But you would have to consider inverter inefficiencies and the fact that the inverter needs to be on all the time
Can you share a link of an automatic transfer switch?

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