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popularphoinix | Staff posted Aug 25, 2025 10:20 AM
popularphoinix | Staff posted Aug 25, 2025 10:20 AM

$21.59*: ECO-WORTHY 10W Solar Car Battery Charger Maintainer at Amazon

$22

$43

48% off
Amazon
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ECO-WORTHY US via Amazon [amazon.com] has ECO-WORTHY 10W Solar Car Battery Charger Maintainer for $21.59.
Shipping is free with Prime or on $35+ orders.

Price
$21.40 lower (50% savings) than the list price of $42.99

*Deal history:Customer reviews
4.3⭐ / 6,126
1,000+ bought in past month

amazon.com/dp/B017K6PH1S [amazon.com]

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Deal Details
Product Info
Community Notes
About the Poster
ECO-WORTHY US via Amazon [amazon.com] has ECO-WORTHY 10W Solar Car Battery Charger Maintainer for $21.59.
Shipping is free with Prime or on $35+ orders.

Price
$21.40 lower (50% savings) than the list price of $42.99

*Deal history:Customer reviews
4.3⭐ / 6,126
1,000+ bought in past month

amazon.com/dp/B017K6PH1S [amazon.com]

My other deals

#pfpd

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Aug 25, 2025 03:57 PM
15 Posts
Joined Nov 2016
Dealhunterz123Aug 25, 2025 03:57 PM
15 Posts
25W for $27.99 looks a much better deal
https://a.co/d/eQzL2qp
1
Aug 25, 2025 09:25 PM
112 Posts
Joined Feb 2015
chandleyaAug 25, 2025 09:25 PM
112 Posts
Quote from Dealhunterz123 :
25W for $27.99 looks a much better deal
https://a.co/d/eQzL2qp
Completely different use case
Aug 25, 2025 09:50 PM
184 Posts
Joined Mar 2018
PurpleSink3298Aug 25, 2025 09:50 PM
184 Posts
Quote from chandleya :
Completely different use case

Yes and no. It's a 12v trickle charger just less automotive-oriented. I used the 25w one in their link for trickle charging a vehicle of mine and it worked perfect. If your cigarette lighter shuts off when the vehicle is off then the one in the OP will do nothing.
Yesterday 10:33 AM
205 Posts
Joined Jan 2016
XxxfroggYesterday 10:33 AM
205 Posts
Quote from PurpleSink3298 :
Quote from chandleya
[IMG]https://slickdeals.net/images/misc/backlink.gif[/IMG] :
Completely different use case

Yes and no. It's a 12v trickle charger just less automotive-oriented. I used the 25w one in their link for trickle charging a vehicle of mine and it worked perfect. If your cigarette lighter shuts off when the vehicle is off then the one in the OP will do nothing.
This deal is able to connect to the battery terminals or the cigarette lighter port.
After reviewing both deals, the OP linked deal is more portable while the other deal is more for a stationary mount. The stationary mount does provide more power.
Yesterday 04:10 PM
3,149 Posts
Joined May 2006
FarmeroakYesterday 04:10 PM
3,149 Posts
Quote from chandleya :
Completely different use case
Not really, OP's is more portable and easy to set up, and the 25W one is more powerful and probably has a better charge controller (and can be used for non-automotive), but they both do the same thing.
Today 04:52 AM
1,839 Posts
Joined Nov 2010
testshootToday 04:52 AM
1,839 Posts
they scammed me, beware
Today 07:04 PM
876 Posts
Joined Jun 2018
JasonSternToday 07:04 PM
876 Posts
The solar maintainers are a waste of effort and money. Shame because it's a cool concept. But even with 8-16 hours of direct sunlight, my 20W version can't maintain a proper charge. You're better off buying a proper battery maintainer or, crazy idea, driving/riding the hell out of your vehicle of choice while you have the chance.

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