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forum threadRed_Liz | Staff posted Jun 11, 2025 04:06 PM
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forum threadRed_Liz | Staff posted Jun 11, 2025 04:06 PM

ECO-WORTHY 7.5W Waterproof Solar Panel 12V Battery Trickle Charger $14.95 + Free Shipping w/ Prime or $35+ Orders

$15

$30

50% off
Amazon
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Deal Details
ECO-WORTHY US via Amazon [amazon.com] has ECO-WORTHY 7.5W Waterproof Solar Panel 12V Battery Trickle Charger (Cars, Trucks, Boats, Lawn Mowers, RV, Tractors) on sale for $29.89 - $14.95 (50% off) w/ code J2QWFAJQ at checkout = $14.94. Shipping is free w/ Prime or on $35+ orders.

Product Details:
  • A+ grade monocrystalline silicon wafers have a conversion efficiency of up to 23% to maintain a consistent output of 7.5W.
  • The solar panel is bendable to fit windscreens and has a strong hold on the 4 PVC suction cups.
  • IP64 waterproofing and UV protection.
  • Includes:
    • 12V 7.5W Solar trickle charger
    • OBD Connector
    • Alligator clip adapter
    • 4 x PVC Suction cups
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Deal Details
Community Notes
About the Poster
ECO-WORTHY US via Amazon [amazon.com] has ECO-WORTHY 7.5W Waterproof Solar Panel 12V Battery Trickle Charger (Cars, Trucks, Boats, Lawn Mowers, RV, Tractors) on sale for $29.89 - $14.95 (50% off) w/ code J2QWFAJQ at checkout = $14.94. Shipping is free w/ Prime or on $35+ orders.

Product Details:
  • A+ grade monocrystalline silicon wafers have a conversion efficiency of up to 23% to maintain a consistent output of 7.5W.
  • The solar panel is bendable to fit windscreens and has a strong hold on the 4 PVC suction cups.
  • IP64 waterproofing and UV protection.
  • Includes:
    • 12V 7.5W Solar trickle charger
    • OBD Connector
    • Alligator clip adapter
    • 4 x PVC Suction cups

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Price Intelligence

Model: ECO-WORTHY Upgraded 7.5W Solar Car Battery Charger Maintainer 12V Waterproof Solar Panel Portable Solar Trickle Charger for Car Truck Boat Lawn Mower RV Trailer Tractor ATV Utility Vehicle Battery

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Jun 11, 2025 05:21 PM
172 Posts
Joined May 2018
SensiNips408Jun 11, 2025 05:21 PM
172 Posts
Been using this on my truck as I'm gone for months at a time. So far so good over 6 months. Don't see the need so far to move up to the 10 watt.
Jun 11, 2025 07:43 PM
74 Posts
Joined Aug 2013
TechProfJun 11, 2025 07:43 PM
74 Posts
The price history indicates this is the regular price. And contrary to the slickdeal description, the product details on Amazon don't mention connectors for OBD anywhere--just the panel, alligator clamps, and suction cups.
Jun 12, 2025 03:33 AM
318 Posts
Joined May 2014
stevesavesJun 12, 2025 03:33 AM
318 Posts
Fix the title/description. Product does not seem to have an OBD connection.
Jun 12, 2025 11:22 AM
741 Posts
Joined Dec 2006
GrummanPilot99Jun 12, 2025 11:22 AM
741 Posts
Back up to $30, so 15 is not the regular price apparently
Original Poster
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Jun 12, 2025 01:07 PM
8,866 Posts
Joined Jun 2022
Red_LizJun 12, 2025 01:07 PM
Original Poster
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8,866 Posts
Quote from TechProf :
The price history indicates this is the regular price. And contrary to the slickdeal description, the product details on Amazon don't mention connectors for OBD anywhere--just the panel, alligator clamps, and suction cups.
Quote from stevesaves :
Fix the title/description. Product does not seem to have an OBD connection.

Pulled the OBD connectors from the product pics when scrolled down: https://i.imgur.com/7cDnxVp.png
Jun 12, 2025 01:57 PM
1 Posts
Joined Jan 2017
sdvikingJun 12, 2025 01:57 PM
1 Posts
Be careful with this on smaller equipment (ATVs or Motorcycles). I've wanted one for a while to maintain an ATV remotely. Within 3 months the Voltage regulator on the ATV burned out. I can't say it was because of the solar charger with certainty, but, after a bit of searching, others have had the same problem. I stopped using it but if I were to use it again, I would disconnect the battery from the ATV and then charge it.
Jun 13, 2025 05:40 PM
373 Posts
Joined Feb 2016
EdbmsmJun 13, 2025 05:40 PM
373 Posts
Quote from stevesaves :
Fix the title/description. Product does not seem to have an OBD connection.
Mine came with OBD connector adapter cable - same length as battery clamps, 17 inches. The cable attached to panel is about 57 inches.

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Jun 13, 2025 05:43 PM
74 Posts
Joined Aug 2013
TechProfJun 13, 2025 05:43 PM
74 Posts
Quote from Red_Liz :
Pulled the OBD connectors from the product pics when scrolled down: https://i.imgur.com/7cDnxVp.png
I'm 100% certain that picture and description including the OBD adapter were not present when I looked at the listing two days ago.
Jun 16, 2025 08:05 PM
373 Posts
Joined Feb 2016
EdbmsmJun 16, 2025 08:05 PM
373 Posts
Quote from sdviking :
Be careful with this on smaller equipment (ATVs or Motorcycles). I've wanted one for a while to maintain an ATV remotely. Within 3 months the Voltage regulator on the ATV burned out. I can't say it was because of the solar charger with certainty, but, after a bit of searching, others have had the same problem. I stopped using it but if I were to use it again, I would disconnect the battery from the ATV and then charge it.
Thanks for heads up. Mine is reading 12.x V now, but a reviewer noted 16V output, which can be damaging to those smaller regulators.
The manufacturing budget for the integrated PWM/battery maintainer circuits are so slim after the (also cheap) panel, its a matter of when (not if) it fails. I looked for a commodity hobbyist mppt/charger board, but yeah, not really worth it for its <5W output.

A NOCO panel kit also had its regulator die. It's a separate unit with the overkill connectors, but just not worth replacing either. The hot interior car temps don't help reliability.
Jun 22, 2025 05:14 PM
493 Posts
Joined Mar 2007
tfoxJun 22, 2025 05:14 PM
493 Posts
Quote from sdviking :
Be careful with this on smaller equipment (ATVs or Motorcycles). I've wanted one for a while to maintain an ATV remotely. Within 3 months the Voltage regulator on the ATV burned out. I can't say it was because of the solar charger with certainty, but, after a bit of searching, others have had the same problem. I stopped using it but if I were to use it again, I would disconnect the battery from the ATV and then charge it.
Quote from Edbmsm :
Thanks for heads up. Mine is reading 12.x V now, but a reviewer noted 16V output, which can be damaging to those smaller regulators.
The manufacturing budget for the integrated PWM/battery maintainer circuits are so slim after the (also cheap) panel, its a matter of when (not if) it fails. I looked for a commodity hobbyist mppt/charger board, but yeah, not really worth it for its <5W output.

A NOCO panel kit also had its regulator die. It's a separate unit with the overkill connectors, but just not worth replacing either. The hot interior car temps don't help reliability.
The regulator on the motorcycle / ATV itself doesn't come into play when you connect a power source directly to the battery.

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