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  • Sunforce 50022 5-Watt Solar Battery Trickle Charger
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Sunforce 50022 5-Watt Solar Battery Trickle Charger

312 customer reviews
| 52 answered questions

List Price: $69.99
Price: $39.99 & FREE Shipping. Details
You Save: $30.00 (43%)
Only 13 left in stock (more on the way).
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  • Features sturdy and durable aluminum frame with amorphous solar cells ; Includes 12V DC plug, battery clamps and mounting hardware for easy installation
  • Completely weatherproof for added durability
  • Amorphous solar panel works in all daylight conditions; even on cloudy days
  • Built-in overcharge/discharge protection
  • Maintains and trickle charges 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more
See more product details
5 new from $39.99

Get the Right Gear for Your Needs in Our New Sunforce Store
Get Solar Info and More in Our New Sunforce Store
Our new Sunforce Store has the information you need to get started with solar and wind power. Check out helpful installation videos, guides, and a solar calculator that can help you build a customized solution that will meet the power requirements of your gear.
$39.99 & FREE Shipping. Details Only 13 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Sunforce 50022 5-Watt Solar Battery Trickle Charger + Battery Tender 081-0069-6 Ring Terminal Harness with Black Fused 2-Pin Quick Disconnect Plug + Battery Tender 081-0148-25 25' Quick Disconnect Extension Cable
Price for all three: $59.44

Buy the selected items together


Product Information

Technical Details
BrandSunforce
Item Weight2.5 pounds
Product Dimensions12.4 x 0.8 x 12.4 inches
Item model number50022
Manufacturer Part Number50022
  
Technical Specification
Additional Information
ASINB0006JO0TC
Best Sellers Rank #2,210 in Automotive (See top 100)
Shipping Weight4.6 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableAugust 29, 2004
  
Warranty & Support
Warranty, Parts: Parts

Product Warranty: For warranty information about this product, please click here [PDF]
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Product Description

The Sunforce 5 Watt Solar Battery Trickle Charger will help keep your vehicle's battery charged anywhere, anytime! Maintenance free and easy to install, this solar charger offers an ideal way to maintain and charge 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more! Made with a durable aluminum frame and amorphous solar cells, this solar panel operates in all daylight conditions, even in shaded or cloudy environments. With a lightweight and compact design, this unit is fully weatherproof for superior durability.

From the Manufacturer

Convenient Power That Helps Keep Your Batteries Charged

Sunforce 5 watt 12 volt Solar Battery Trickle Charger

The Sunforce 5-watt Solar Battery Trickle Charger gives you another reason to love the sun - it will help keep your vehicle's battery charged anywhere, anytime.

The ideal choice for cars, trucks, recreational vehicles (RV), tractors, boats, electric fences, and more!

Easy DIY Installation

Just plug this helpful charger into your vehicle's 12-volt lighter socket and position the panel to pick up the most daylight possible. Or, if you prefer, use the included battery clamps to connect the panel directly to the battery. Regardless of how you hook up the battery charger, you'll never get caught off guard without the juice you need to start your vehicle. Mounting hardware also included.

Key Features

- Completely weatherproof

- Features sturdy and durable aluminum frame for extended outdoor use

- Lightweight, portable & compact

-Includes integrated blocking diode that protects the battery discharge at night

- Amorphous solar technology; charges in all lighting conditions

About Amorphous Solar Power

Solar panels convert sunlight into an electric current, they do not store power. Amorphous solar panels are created by spraying silicon onto glass in very thin layers, and are commonly known as thin film solar panels. This process allows them to be better at generating electricity in all lighting conditions, including cloudy or shady environments. Amorphous solar panels have a maximum operating temperature of -40 to 176 degrees Fahrenheit, requiring virtually no maintenance.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

255 of 260 people found the following review helpful By Tab Numlock on June 29, 2007
Verified Purchase
I live on a river and built a campsite on an island across from my house (the dog loves it). I bought a deep-cycle marine battery but am getting too old to lug it in and out of the canoe for charging. So I got this little panel and, so far, have not run out of juice. And it's cheap enough so if someone steals it it's no big tragedy. I run a laptop, TV, fluorescent light and charge my cell phone. I even have a 12v car-vac to clean the sand out of the tent.

Of course, I'm not there 95% of the time so 5 watts is probably adequate. And I don't have to worry about overcharging. I screwed it to a big log in pretty open sun. So far, it has survived, even some small hail.

BTW, I use the power cord from an old vacuum cleaner and a 4-way 12v splitter to distribute power from the battery.
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139 of 141 people found the following review helpful By Amazon Consumer 40+ on November 8, 2007
In 2006 I took a 3 week vacation out of the country. I left my car at the airport and away I went. Upon my return, I had to have the battery boosted for 15 minutes before it would turn my car's engine on. I have no idea what caused the drain (Sattelite Radio memory, car's other computers, etc), but I had to do something to prevent a $50.00 boost call in the future. A coworker told me about these devices and how his brother uses them to keep his mobile home powered when parked. Higher wattage products are sold, but if all you're doing is keeping a car battery charged, 5 watts is plenty of power for the job. No other devices (charger controllers) are needed. The charger comes with a couple of ways to hook up to the battery (direct battery terminal clips, cigarette lighter plug). I used the cigarette plug. Just plug it in to the power port, and lay the solar energy collector side face up on your dashboard. For those with heavily tinted windshields, I have no idea if the tint would cause a problem with the panel's energy collection.

This year, after returning from another 3 week trip (and using the solar charger), my battery started better than it did before my trip to the airport!
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215 of 231 people found the following review helpful By El Marco on June 13, 2007
Verified Purchase
I recently ordered one of these panels (June 2007). The first one arrived shattered - the manufacturer packaging does not protect the panel much and it was inadequately packaged in the shipping box by Amazon. The replacement unit was also badly packaged for shipment.

I tested the electrical output in full sunlight and got 20V out into a 100 ohm load -> 4 watts which is pretty good.

One thing to consider though is that this product is not very rugged. The solar panel has a plastic frame but the middle is unprotected on the back (and front). So unless you handle it very carefully it is likely to break.

Someone using this on a car dashboard would need some sort of protective carrier (like those insulated pizza boxes) to protect the unit when it was not being used.

------------ Update Dec 2007 ----------------

Panel stopped producing electricity in November. Had to send it in to Sunforce at my expense for warrantee replacement. They promptly tested it and sent me a replacement. One thing I did notice is that the plastic housing on the unit that I returned had developed some small cracks. I am using the unit on my car dashboard to keep my battery charged.

------------ Update Jan 2013 ----------------

The frame around the panel has warped and cracked. As a result the panel no longer reliably charges my battery. This product isn't really engineered for reliable operation on car dashboards - the plastic / frame cannot deal with the extreme temperature changes over time.
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62 of 64 people found the following review helpful By Phil W on April 12, 2010
The unit was installed atop an RV to maintain the two (115 Amp-Hrs each) House Batteries while the vehicle is in storage. The batteries are connected in parallel, and the 5-watt unit has been doing an excellent job of maintaining the batteries at 13.32 volts. I am astonished that the manufacturer chose the BLACK color for the plastic frame. A quick test by placing the unit in the Arizona sun (in early April!) showed that the black plastic frame quickly got too hot to be touched. I carefully masked the solar array area and spray painted the frame with white Kilz spray paint. What a difference! The frame stays cool to the touch and the unit has been mounted on the roof of the RV ever since, performing flawlessly.
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34 of 35 people found the following review helpful By Steve Fleischman on July 30, 2007
Performed as stated. Keeps my deep cycle marine battery charged. When I
leave my boat after sailing for 2-3 hours my 12V LED volmeter reads system
at 11.85 volts and the next day it is charged to 12.80 after receiving sun
for 10hrs. Tops it off - trickle charge as stated.
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35 of 37 people found the following review helpful By Debbie S on May 31, 2009
Verified Purchase
I have a 22' motor home with a Ford 350 V8 engine, and keep forgetting to disconnect the battery when I store it, so it's always dead when I go retrieve it from the storage lot in the spring. So, I decided to buy this to keep the battery from dying. However, when I received it and went to install it in my RV in the middle of April, the battery was dead, dead, dead! Not even a murmur when I tried to start it, couldn't even turn on the lights. Absolutely nothing.

So, just for kicks, I decided to see just what it could do, even though the FAQ on the manufacturer's site says

"A35: This solar panel is ideal for trickle charging all types of vehicle batteries and power packs. If the battery or power pack is completely drained, use a larger Solar Power Panel (11-1881-0 or 11-1882-8). "

I plugged it into one of the 12v outlets and placed it on the dashboard facing south (I live in the mostly overcast Pacific Northwest). A couple of weeks later when I checked, there was enough juice in the battery to turn on the lights, but not start the engine. Today (end of May), I went to get the RV, assuming I'd have to jump start it from my car. I was pretty amazed when I turned the key and the engine started right up.

Needless to say, I am 100% thrilled with this item.

(And, of course, not everyone may have the same experience as me.)
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Sunforce 50022 5-Watt Solar Battery Trickle Charger
This item: Sunforce 50022 5-Watt Solar Battery Trickle Charger
Price: $39.99
Ships from and sold by Amazon.com