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OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip

4.3 4.3 out of 5 stars 2,296 ratings
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Purchase options and add-ons

Brand OYMSAE
Color multi-color
Product Dimensions 7.68"D x 14.37"W x 0.79"H
Item Weight 1.4 Pounds
Input Voltage 18 Volts

About this item

  • ☀[Charge Visualization]The indicator lights can help you understand the charging status: the blue light is on (put in the sun), the red light is on (charging), and the green light is on (charging is complete).A short circuit occurs and all three indicators are off.
  • ☀[Intelligent Protection] Built-in charging microprocessor, improved charging algorithm, can provide overvoltage protection, overcharge protection, short circuit protection, etc. It can prevent reverse charging and can be safely used for charging and maintenance of 12V batteries.
  • ☀[Higher Conversion Rate]The regular convex points of surface distribution are conducive to the secondary propagation of light, absorb the radiant heat of solar energy to a greater extent, and greatly improve the photoelectric conversion efficiency.
  • ☀[Widely Used] The included 3-piece SAE cable kit is plug-and-play,it can be used for cars and 12V batteries. Comes with carabiner and suction cup to meet your different installation needs. Suitable for automobiles, RVs, motorcycles, ships,snowmobile,etc.
  • ☀[More Durable] The PET material can be waterproof and dustproof. A layer of epoxy board is added as a bottom plate, which is more sturdy (the broken panel will cause the charging efficiency to decrease). You can contact us at any time if you have any questions.

Customer ratings by feature

Light weight
4.7 4.7
Easy to install
4.5 4.5
Easy to use
4.3 4.3
Weatherproof
4.2 4.2

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$49.99
Get it as soon as Sunday, Mar 31
In Stock
Sold by OYMSAE and ships from Amazon Fulfillment.
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$17.99
Get it as soon as Sunday, Mar 31
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OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip
OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip
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Price-17% $49.99
List:$59.99
$66.99$59.99-37% $50.59
List:$79.95
-9% $85.97
List:$94.57
$69.97
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Weatherproof
4.2
4.2
4.4
4.3
4.5
Easy to install
4.5
4.5
4.7
4.5
Value for money
3.6
3.6
3.7
3.7
Easy to use
4.3
4.3
4.5
Suction power
3.7
3.7
3.2
Sold By
OYMSAE
OYMSAE
YUBINH
Suner Power
Sun Energise
Sun Energise
input voltage
18 volts
12 volts
12 volts
18 volts of direct current
12 volts
12 volts
weight
1.4 pounds
1.25 kilograms
4.5 pounds
5.2 pounds
2.5 pounds

From the brand


Product Description

OYMSAE 10W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger
OYMSAE 10W 12V Solar Car Battery Charger Portable Waterproof Solar Power Battery Charger
OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger
OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger
OYMSAE 5W 12V Solar Car Battery Charger Portable Waterproof Solar Power Battery Charger

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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OYMSAE

OYMSAE 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip


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Customer reviews

4.3 out of 5 stars
4.3 out of 5
2,296 global ratings

Customers say

Customers like the ease of installation of the battery charger. They mention that it is easy to setup and use. However, some customers dislike the lighting. Opinions are mixed on performance, battery charging, quality, value, and wiring.

AI-generated from the text of customer reviews

46 customers mention40 positive6 negative

Customers find the installation of the battery charger to be easy. They mention that the connector is incredibly easy to use, and the feature is quick and easy to set up.

"This was easy to set up and works great to keep the battery charged on our deck boat." Read more

"Yes, this was easy enough to install, sticking it to my shed window so I can just run the leads to my generator battery, but I can't tell if it's..." Read more

"nice easy to use and can be removed for travel" Read more

"...So using that feature was quick and easy. Mounting was another story. I used large disc magnets with bolts through the panels grommet holes...." Read more

23 customers mention16 positive7 negative

Customers are mixed about the wiring of the battery charger. Some mention that having different options of connectors is great, and the setup was a breeze. However, others say that the SAE connector on the panel is wired backwards, and has reverse polarity.

"...NOPE, this bad boy plugs straight into my cigarette lighter and the solar panel sits on my dash...." Read more

"Nice that it came with options for hookup. Cigarette lighter is a nice option." Read more

"...a couple other reviews pointing out the same problem with the backwards wiring, that I realized they wired the "standard" connector backwards from..." Read more

"...What sets it apart is the convenient cigarette lighter connector, which makes it incredibly easy to use...." Read more

184 customers mention122 positive62 negative

Customers are mixed about the performance of the battery charger. Some mention that it works well, while others say that it stopped working. The operational indicator lights function as they should, and the charger still works after 4 seasons. However, some customers report that the output is not what it was, and performance measurement brings disappointments.

"This was easy to set up and works great to keep the battery charged on our deck boat." Read more

"...I’ve use panel now over 3 + years and it still works reliably. You need to unplug it when the vehicle is driven or damage will occur to the panel." Read more

"Worked amazing for a while then stopped working company sent new one without question, So I can highly recommend" Read more

"...driven every two weeks and every time I go to start it , it starts with no problem. Not sure why 4 stars as opposed to 5...." Read more

157 customers mention95 positive62 negative

Customers are mixed about the battery charging of the product. Some mention that it keeps their car battery charged perfectly, while others say that it just wasn't charged enough.

"...Even On snowy cloudy days, it still provides the amperage to maintain the battery’s starting power level...." Read more

"Is used for a vacation vehicle that sits in the drive way.Had many issues with batteries.Over time dying great product solves my problem" Read more

"...After several months of dead batteries I bought this and no more dead batteries...." Read more

"Keeps my sons car batter charged does what I expected it to do I leave it on the front seat face the wind sheild in northern ill beater then a..." Read more

68 customers mention37 positive31 negative

Customers are mixed about the quality of the battery charger. Some mention it's very well made, durable enough for life, and has a more durable coating. However, others say that it didn't last a year, it'll quit after about 9 months, and it seems a little bit flimsy.

"So far so good. It's really lightweight and appears to be durable enough for life under my car windshield...." Read more

"...My only complaint it it’s thin like it could snap in half if not careful. Overall I’m happy with it." Read more

"I first received this nice thin and light solar battery charger in the fall of 2022, used it on my stored motor home all winter and seemed to keep..." Read more

"...I just have a feeling that it won't last long. But I have had it for 6 months now and it still works fine." Read more

44 customers mention22 positive22 negative

Customers are mixed about the value of the battery charger. Some mention that it's OK for their money, has saved them money, and is well worth it. However, others say that it was a waste of money and useless.

"...happy with purchase 4 stars the wires are small gauge and cheaper quantity suction cups on a wind shield temp changes every day on the passenger..." Read more

"...This is not cheap at $50 so I expected it to be new.I did not try it as I was afraid under the circumstances. ymmv" Read more

"...I do not know how long it will last but a good little panel for the price. Only issue is that there is a box off center that houses all that parts...." Read more

"...That delayed my trip as I left a normal charger on it over night. Complete junk, imo. Caveate Emptor. Grrrrrrrrrr...." Read more

23 customers mention0 positive23 negative

Customers are dissatisfied with the lighting of the battery charger. They mention that there are no indicator lights as described in the ad, the panel has no lights on it, and the status lights do not light up if there is no sun. Some customers also mention that the charging lights never came on.

"...Either the indicator lights aren't on at all, or two or three of them are flashing rapidly, whether or not the leads are connected...." Read more

"...Tried all 3 bikes no luck. The charging light would light up blue. Then once plugged all lights off...." Read more

"...When I brought the MH back home I noticed the indicator lights were not working at all on the charger, so did not know if the unit was functioning..." Read more

"...the cig plug does not have a red light indicator on it like it shows in the ad...." Read more

Good but potentially dangerous
4 Stars
Good but potentially dangerous
Everything is good, but I noticed the cord that comes with that goes from the panel to the battery is reversed. See picture: positive should follow positive through the connector.
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