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$91.33 - $85.95
(as of Dec 09, 2024 13:06:18 UTC –
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About Us
SUNER POWER was founded by a team of technicians who worked together for at least 10 years in solar industry prior to starting the company.
To serve our customers by bringing transparency, simplicity products and services through the competitive marketplace. We are committed to providing home and business owners with an easy way to be powered by affordable, clean and reliable solar power.
Solar Battery Charger PRO
Solar Panel Charger with Mount
Solar Panel Charger with Mount
【 UltraSmart MPPT Technology 】This 12v solar panel battery charger is crafted with SUNER POWER’s unique UltraSmart MPPT technology, so all of its core parts, including its mppt charge controller and solar panel are built using premium and durable materials. The innovative MPPT-Charge-Controller-Technology allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improve approximately 20%-30% utilization rate than other competitors.
【Improved 3-stages Charging】The improved 3-Stages charging algorithm (Bulk, Absorption, Float) allows to charge 12-volt battery more effectively, ensures battery is safely recharged and increases battery life and performance. The charging will be cut off when battery is fully charged, and automatically resumed when battery is not full, totally free maintenace.
【 Full Safety Protections 】Built-in multiple protections including over-charge, over-discharge, over-voltage, over-current, over-load, short circuit, reverse polarity, and over-temperature, waterproof and spark-proof, the battery is fully protected.
【 Wide Compatibility】It’s not just a solar battery trickle charger, it’s an advanced solar battery charger maintainer. A fully-automatic, worry-free smart solar battery charger for 12-volt sealed lead-acid car, automotive, marine, RV, powersport, boat, dump trailer, motorcycle, trolling motor, tractor, ATV and deep-cycle batteries, including flooded, gel, AGM, SLA and maintenance-free, plus lifepo4 lithium batteries.
【 Superior Quality and Material】Made of premium Grade A+ solar cells with efficiency up to 21%-30%, tempered solar glass and durable corrosion-resistant frame, withstand extreme weather conditions like UV, anti-rusting, and erosion, hail, and sandstorm, up to 2400Pa wind pressure and 5400Pa snow load.
【 Easy to Use 】Using the most advanced MPPT charge controller chip, this solar trickle battery charger maintainer starts to charge immediately when battery is registered. Pre-designed holes on solar panel frame allows for quick mounting with included screws, and all cables are plug and play, offering you easy and quick using experience.
13 reviews for SUNER POWER 20W 12V Solar Battery Trickle Charger & Maintainer PRO,
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Dana Johnson –
Well made, well thought out and easy to use.
I got this for one of our Priusâs because it often goes over a month between outings and more than once Iâve had the auxiliary 12 volt battery totally drained due to the slow drain from the smart key system that is always on. I got a ring terminal pigtail for the battery (in the rear on my model ) and can easily plug this unit into it. It works like a charm to maintain the batteryâs charge which improves the battery life as well as no longer finding a dead car when you need it. It is important to know whether or not your model keeps the 12v cigarette lighter outlet live when the car is off in which case you can use the stinger with the plug for that. I guess that is common on American vehicles, but not on foreign ones which need a connection to the battery. There are good videos on the process. The unit protects against reversing the polarity and has indicator lights that let you know if you made an error, as well as letting you know when it is providing charging power. It is durably constructed. I am quite pleased with it.
d2 –
good quality
unit worked well for 2 years and I made the mistake of leaving it out on my dock this past winter and it got flooded several times and the wire connection was in the salt water another mistake but I bought another one and mounted it on a pedestal. good quality and price remained the same.
Greg K –
Actually stands up to outdoor use
I’ve had this strapped to my trailer for months, hooked to the trailer battery. It’s still perfect through some wicked storms and has kept my battery fully charged with zero effort. So easy to use.
Starlord –
Running 2 of these for my boat
I’m using two of these one for each battery. They worked great at first, now the indicator light continues to flash green. I believe they are still charging but hard to tell. I might have to request a replacement.
rock it –
BUY THIS PRODUCT!!
I have had this panel for 4 years on my 2006 GMC Sierra Duramax. I live in florida so this was a no brainer. I have it connected to my secondary battery(I have 2 AGM batteries) my batteries are split when the truck is off because of a isolator I added. So when I park the truck, this panel charges my secondary battery, thinking about buying another panel so each battery has a dedicated panel. You dont have to have split batteries for this to work, It works if you have two batteries connected(this is how i originally used it) this panel is very good with charging. Durability, I have beat this thing up pretty bad unintentionally, and the integrity is still as strong as it was on day one, no cracking, or chipping, I am impressed. Its small, you can hook it up or take it off quickly if you want, I have mine (hard wired) with simple wire terminals. Stop thinking about it. Go get one!
Paul –
Long lasting solar panel
Have had this suner power BC 20watt pro on my 14 ft Jon boat charging my Ever Start 27DC deep cycle battery for over 3 years now have had to replace the battery but not the solar panel. Yes it is a trickle charge but as long as you donât over exsausted the battery has been very reliable
Placeholder –
LED lgt stops flashing: UPDATE 3 May 2023
Bought few years ago for my boat. Worked fine…Kept the charger connected all winter. Looked at it yesterday and the LED lgt when 1st connected flashes green but then stops…no other colors work. I think it’s still charging. Will know 2morrowUPDATE: 3 May 2023…. it is still charging…. lgt just not working. However, main reason for this update is to tell everyone about their superior customer support (Jason): Jason emailed me after I posted this review and sent me a replacement panel free of charge, free shipping and allowed me keep the old one. Then just today I emailed him that the red flashing lgt on new one would flash when using cig lgt socket. he said that the car cig wiring is reversed and sent me an adpater….FREE of charge also. Should be here Fri. What outstanding customer service. Thank You Jason!!!
DJ –
Easy to sWill break under normal use.
UPDATE: So while these chargers are everything I said they were, if you use it inside of a car, the plastic warps and the whole thing falls apart. So maybe good in a place that never gets warm or you’re just going to use them outside (where they can be , but now feel cheated out stolen). I was once happy. but now feel cheated. DON’T BUY if you intend to keep INSIDE a car that gets a lot of sun! Yes I see the irony in that.Just got it, so don’t know about the reliability, but my research says this is a dependable unit. It was easy peasy to set up. One car I could use the cigarette lighter plug, but the other I had to hook up straight to the battery. You have to be mindful of how you set up the clamps in that case. The light signals are a bit funky (flashing green means the collector is make electricity, solid green mean the battery is done, solid red means n and flashing red mean it’s charging properly) so flashing red mean all good!This is a brilliant idea for people who have vehicles they don’t drive often.
Amazon Customer –
Works great – like it should… I’d buy again…
M K –
It’s solid, waterproof, uses standard SAE connectors, and should produce around 1A of current which will easily maintain most inactive 12V batteries. Support is excellent, and quick to respond to questions or issues. I actually bought 2 of these kits to maintain multiple vehicle batteries, or anything else 12VDC, and so far so good. Recommended.
Amazon Customer –
works great
Amazon Customer –
Works as advertised.I did find it odd that is does not come with the suction cups for windshield mounting though, not even listed in the manual.The main cord from the panel that the various other attatchemnt chords plug into is 10 feet long, so you probably won’t need any extenders.It is fairly beefy for the wattage, but if you want something smaller with the same power, price will increase steeply. I think this is a good deal.
Richard L –
This is a very well made product, which worked well for 3 days and then it was stolen. What a shame because I really liked it. It was hooked up to my 12V RV and the led indicator showed that the battery was fully charged. It was in the sun leaning against the tongue of the trailer. Went out one morning and it was gone. No way of locking it up.