Renogy 10W Solar Panel Car Battery Trickle Charger & Maintainer | 12V Portable Solar Trickle with Lighter Plug & Alligator Clips & Battery Cables for Car Boat Marine Motorcycle Truck RV
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Availability:
In Stock.
Arrives
Sunday, Aug 23
Size: 10W
Features
- Plug & play, work with diverse applicationsThis solar trickle charger comes with a quick SAE connection and 3 options for ring terminals, alligator clips, and cigarette lighters, to charge your batteries or automobiles easily, works with boats, SUVs, RVs, electric fences, accessory batteries, and more.
- Charge & maintain all kinds of 12 batteriesThis solar trickle charger comes with DC adaptors for direct charge 12v batteries, able to work with multiple battery types, such as Gel, AGM, Flooded, and Lithium batteries, etc.
- High efficiency, long lifeRenogy panels use high-efficiency monocrystalline solar cells, and multi-layered sheet laminations enhance cell performance and provide a long service life.
- Portable design, easy to installSmall in size and light in weight. Suction cups allow the solar trickle charger mounts easily to the windshield or dash.
- Weather resistant, wider usage scenarios weather proof, and dustproof design, with a wide range of operating temperatures, guarantee efficiency anytime and anywhere, suitable for more equipment and scenarios.
Description
Over time batteries naturally lose power and, if allowed to, can go flat. Renogy’s 10W Solar Battery Trickle Charger Maintainer will help you maintain a healthy battery by converting solar energy into a usable 12V DC current to keep your battery topped off at a stable level. With quick SAE connection and 3 options for ring terminals, alligator clips, and cigarette lighters, our Solar Battery Trickle Charger Maintainer is sure to be a great fit no matter what your application needs. It works great with boats, SUVs, RVs, electric fences, accessory batteries, and much more! Maintain a healthy battery and never be caught flat ever again! Note: For some makes or models of vehicles, the cigarette lighter port may not operate when the ignition is turned off. In such cases, please connect the trickle charger maintainer to the battery directly. The trickle charger maintainer must be disconnected from the battery or cigarette lighter port when starting the engine or driving the vehicle. Electric surges from the alternator when starting and running may damage the trickle charger maintainer.
Brand: Renogy
Material: Monocrystalline Silicon
Item Weight: 14.23 ounces
Efficiency: High Efficiency
Included Components: Cables
Efficiency: High Efficiency
Maximum Voltage: 12 volts
Maximum Power: 10 watts
Output Voltage: 12 volts_of_direct_current
Connector Type: plug in
Item Weight: 14.23 ounces
Material Type: Monocrystalline Silicon
Brand Name: Renogy
Included Components: Cables
Model Number: 10W Solar Trickle Charger
UPC: 810009711582
Global Trade Identification Number: 82, 98
Manufacturer Warranty Description: 1-year material and workmanship warranty
Item Type Name: Portable Battery Maintainer with Lighter Plug/Alligator Clips/Battery Cables for Car Boat Marine Motorcycles Truck
Manufacturer: Renogy
Manufacturer Part Number: Solar Panel Battery Maintainer Trickle C
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Aug 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 10W
We have a couple of cars and a tractor that are used once every 2-3 months. It was always a gamble if they would start or if the battery would be dead. Living in Colorado, the cold would also kill these batteries even faster. We have one of these on our Dodge 2500 diesel, and it keeps the battery full and it starts up every time without issue. Same for our tractor. The solar charger keeps the battery charged. For our purposes, the cord length is no issue. I like the quick disconnect on it because I don't have to open up the hood on our tractor to take the solar panel off when I use it. Overall, this is a great product, and the value has more than paid for itself. We've had no issues with these products being outside in the weather. We live at a high altitude where UV light is extreme and we get lots of snow in the winter. These live outside in those elements and hold up just fine. Its super easy to hook it up to the battery, the quick disconnect is super convenient when its time to use the vehicle, and the suction cups & straps on the back of the solar panel make it easy to stick wherever it needs to go. It stays on the windshield of a truck just fine, and it attaches to the steering wheel of our tractor just fine.
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Reviewed in the United States on January 25, 2025 by mo3
Size: 10W
These are a cheap and easy way to keep a battery on a parked car from dying too quickly. Works great for a few cars parked on my property that don't get driven much. I have multiples now and don't have to worry about running extension cords
Reviewed in the United States on April 25, 2026 by Eliot S
Size: 10W
I went through a period this summer where my car wasn't being driven very often, and while I didn't run its battery all the way down, it definitely went far lower than I would like. Since we live in an region of abundant sunshine, I figured I'd add a small solar panel to top up and maintain the battery when the car wasn't being used. We have a Renogy 200W panel for emergencies (intended for charging a Bluetti LiFePo4 box) that we're happy with, so I figured I'd give one of their little panels a chance. First impressions: the panel itself seems reasonably well built. it's stitched into a fabric housing with flaps that fold out that have suction cups whichhold it on the inside of the windscreen. The fabric makes handling it much safer than a plastic or metal case as it doesn't get nearly as hot in direct sunshine and doesn't transfer heat to your hands nearly as badly. The panel connects to one of a number of cables with a SAE connector. In my opinion, these cables are the weak spot of the whole thing. The main option for a quick connection has something like a 5-foot cable with a pair of alligator clips that you'd clamp on the battery terminals, which is *way* too short to be useful. Given it's not completely waterproof, it has to be mounted on the inside of the windscreen, and in my car the combined length of the panel's cable and the extension does *not* reach the battery in the front of the engine bay, meaning either another extension or custom cabling is required in my case. The panel also comes with a SAE to cigarette lighter adapter, which is useless for my car. My outlets are not powered when the ignition is turned off, so this is of no use to me. Finally, it also comes with a short cable with a pair of eyelets that you'd bolt to a battery with side terminals. It's about 2 feet long, so presumably this is for charging a battery outside of a car. None of these cables are fused in any way; I'd be especially cautious of using the eyelet cable wired permanently to a battery; if something shorts, there's no way to quickly remove it from the battery the way you would with alligator clips, and there's no guarantee you'd get the SAE connector apart in a hurry. In my opinion, the hardwire eyelet cable in particular must have an inline fuse right at the battery end of the cable on the positive side, but Renogy cheaped out. I actually ended up using the eyelet cable to make a custom cable. I cut the eyelet off the positive side and stuck the wire on the end of a usual add-a-fuse tap thing that runs to an unused always-hot slot in my inside fuse panel. That allows me to connect the panel up when I need it, but remove it at the SAE connector and tuck the wire away when I'm not without needing to connect and remove the car side wiring. Otherwise, the panel appears to work well enough. Starting from a bit below 12V, it dragged the battery up by a little over a tenth of a volt per day and kept it there when I went back to use the car after a few weeks. You wouldn't want to use one of these to completely charge a battery from flat; it's way too low-power for that. However, for this specific application, a larger, higher-output panel is not needed. Again, we get a lot of sun and this was tested at the beginning of summer, so it may not be nearly as effective in more northern locations at other times of the year.
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Reviewed in the United States on August 27, 2022 by Cray Grey
Size: 10W
Using for a camper battery when docked. Helps maintain battery.
Reviewed in the United States on July 13, 2026 by Beth-Ann Mae Reeves
Size: 10W
This is just what I needed. I rarely drive my car and the battery would drain to the point it needed to be jumped. During the cold winter months I couldn’t keep the battery charged. I couldn’t plug in a regular trickle charger without have long a long extension cord over the driveway. This works great. The 12volt cigarette charger did not work for my car and drained the battery. The alligator clamps to the battery work great though. Zero issues
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Reviewed in the United States on March 5, 2026 by Ryan B.
Size: 10W
I assumed this little panel had some sort of voltage regulation, but it does not. Every battery requires a very specific range of voltage to properly charge. If the voltage is too low, the battery will not charge. If the voltage is too high, for too long, the acid in the battery will boil. When the battery acid boils, it not only evaporates the water in the acid, ruining the battery, but it can produce hydrogen gas (highly explosive). I hooked the panel up to a normal car battery and smaller 9ah battery (like a number of the batteries this panel is marketed to charge). The small battery was already fully charged, and quickly exceeded 15.5v. The car battery was about 1/4 charged, the panel did not lift the voltage enough to charge it in any way. Long story short: If your battery is too large (car starter battery) and in need of charging, the panel will not charge it. If the battery is too small and already full, the panel will boil the battery acid, probably damaging the battery and possibly creating an explosion hazard. I design/build/service camper van electrical systems for a living. I install a few thousand watts of 100+watt Renogy rigid panels a year, which work fine and are the right price. Based on my experience with their charge controllers, flex panels, DC-DC chargers, inverters and bluetooth devices, I'm really not surprised Renogy is happy to have this product out in the world. Finally, I just wanted to point out the safety contradiction on the Amazon listing vs. the manual: -Amazon page: "Built-in safety protection, plug-in 24/7 to the battery." -Manual: "DO NOT leave the trickle charger maintainer connected and unattended for extended periods of time. Check the battery status frequently for safe operation." There are also no built-in safety protection measures mentioned in the manual. -Manual: " To reduce the risk of a battery explosion, please follow the instructions published by the battery manufacturer and review the cautionary markings on on the battery carefully." I will spare you the time of looking at the published instructions for your battery; none of them would allow you to charge using this solar panel. So follow Renogy's own advice, and to reduce the risk of a battery explosion, don't hook this solar panel up to any battery.
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Reviewed in the United States on February 17, 2022 by Nikola
Size: 10W
My 4runner battery drains down a little from lack of use so I got this to keep it topped up. I have it on the dash so maybe there are some losses from the glass, plus it only gets sun a few hours a day and right now it is winter sun coming in at a low angle. Knowing that is how I wanted to use it, I got a 10 watt panel thinking that would be plenty considering a lot of maintainers are only a couple watts. But it doesn't seem to be doing much. I fully charged my battery a couple days ago on my 110 charger and after two days my battery read 12.43 volts. I don't know if it will keep it there, or if it will keep dropping. I put my multimeter on the panel itself and see 21 volts (optimal volts according to specs is 18V and .56 Amps and short circuit is 23.5V so maybe that is within spec although 21 Volts seems higher than ideal). But for current I am only seeing .12 Amps on a nice sunny Colorado winter day. That is only 2.5 watts total. I moved the panel outside the window to see if that would make a difference and the amps stayed the same so it isn't window tinting which I don't think my front winshield has anyway. I am surprised that people with even smaller panels say they keep their batteries topped up but I may have to upgrade this 10 watt panel to something bigger. It wasn't too expensive so no big deal but still kind of disappointing. If anyone has different feedback on how theirs works, I'd be interested to hear it. The quality looks and feels fine except the suction cups don't stay put. I tried mounting on the window and both times it fell down. I wouldn't trust them but you could use wire to secure it or something. This isn't something you would want to leave outside over the winter so it really isn't weather proof but I never intended to do that. I trust the Renogy name and figure this had to be as good as the other brands and cheap chinese ones, but still I'm not sure it will work to keep my battery topped up. I have no intention of moving the panel around to get max sun or anything like that. Renogy does say there is backward flow blockage so it should not run down the battery when not in direct sun or at night, but 2.5 watts for a few hours a day may not been enough to help me.
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Reviewed in the United States on January 8, 2020 by face but! k
Size: 10W
Awesome product I wish I knew about this sooner. I use this on a sports car that usually dies within four days, if not being driven. For testing I didn’t use the car for eight days and it started right up, no issues. I have a NOCO trickle charger and Victron smart charger. This is so much easier!
Reviewed in the United States on March 24, 2026 by Adriel