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  • Sunforce 50012 1.8-Watt Solar Battery Maintainer
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Sunforce 50012 1.8-Watt Solar Battery Maintainer

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List Price: $29.99
Price: $21.50 & FREE Shipping on orders over $35. Details
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  • Charges 12-volt batteries and creates 1.8 watts of energy
  • Works with automobile, motorcycle, tractor, boat batteries and more
  • Made of durable ABS plastic and amorphous solar cells
  • For indoor use--solar panel is not waterproof
  • Built-in blocking diode to prevent reverse discharge
See more product details
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Sunforce 50012 1.8-Watt Solar Battery Maintainer + Crosman Pellgunoil® Air Gun Lubricating Oil (1/4 ounces)
Price for both: $25.69

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Product Information

Technical Details
BrandSunforce
Item Weight1.6 pounds
Product Dimensions19 x 6 x 1.2 inches
Item model number50012
Manufacturer Part Number50012
  
Technical Specification
Additional Information
ASINB0006JO0KG
Best Sellers Rank #6,479 in Automotive (See top 100)
Shipping Weight2 pounds (View shipping rates and policies)
ShippingCurrently, 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.
Date First AvailableMarch 30, 2005
  
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Product Description

Amazon.com

The Sunforce 50012 1.8-Watt Solar Battery Maintainer gives you another reason to love the sun--it can help keep your vehicle's battery charged. It provides up to 1.8 watts or 125mA of power to prevent the natural voltage drain of batteries over time. It includes both a lighter socket adapter and alligator clips to give you flexible connection options.

The Sunforce 1.8-Watt Solar Battery Maintainer is compact and easy to install
Convenient Power That Helps Keep Your Batteries Charged

The Sunforce 50012 1.8-Watt Solar Battery Maintainer lets you harness the power of the sun, the most powerful and plentiful source of energy available to us. Unlike nuclear and fossil fuels, solar power is clean and pollution-free, and the equipment requires very little maintenance to operate.

This battery maintainer is designed to stave off the natural voltage drain that 12-Volt batteries undergo over time. It can also maintain the charge of a 12-Volt battery while it is providing energy to small electronics like cell phone chargers. The Sunforce 50012 1.8-Watt Solar Battery Maintainer is constructed with durable ABS plastic and features amorphous solar cells. This unit also includes suction cups for easy in-car installation. Since it is designed for use inside of a vehicle, it is not weatherproof and should be kept dry. This battery maintainer is an ideal choice for automobiles, recreational vehicles, and more.

Sunforce Solar Panels are effective in areas of both high and lower sun exposure, making them ideal for use in the United States. View larger
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. They have a maximum operating temperature range of -40 to 176-degrees Fahrenheit, requiring virtually no maintenance. They can even withstand impacts from one-inch hailstones at 50 miles per hour.

Amorphous solar cells work in all daylight conditions--even on cloudy days. Please note that this amorphous solar panel needs to be inside the dash of a vehicle or by a window indoors as it is not waterproof.

Amorphous Silicon key points:

  • Lightweight, portable, and shade tolerant
  • For entry to solar or hands on solar
  • Best for smaller output needs, temporary set ups, and areas that do not receive predictable sun conditions

Product Description

The Sunforce 50012 1.8-Watt Solar Battery Maintainer is the perfect solution for charging the batteries of motorcycles, automobiles, snowmobiles, tractors and more. Made of durable ABS plastic and amorphous solar cells, this unit charges in all daylight conditions, even on cloudy days. Constructed with a built-in blocking diode to prevent reverse discharge, this solar panel is easy to install and completely maintenance-free. Just plug this solar 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 alligator clips to connect it directly to the battery, so you can keep your lighter socket open for cell phone chargers or other accessories. Regardless of how you hook up the battery maintainer, you will always be able to start your vehicle. With a maximum temperature range of -40 to 176-degrees Fahrenheit, the solar panel provides 1.8 Watts or 125 mA of power to prevent the natural voltage drain of batteries over time. The complete kit includes a 1.8W solar battery maintainer, suction cups for easy mounting onto windshields, 7.5ft Wire, alligator battery clamps and a 12-volt DC Plug.


Customer Questions & Answers

Customer Reviews

Oh well, buyer beware.
Devin Rumer
I use this to keep my battery "safe" when parked at the airport for long periods of time.
Comp Expert
Pointed directly at the sun and not behind glass, the panel managed 87mA.
Marcin

Most Helpful Customer Reviews

137 of 143 people found the following review helpful By Machine Shop 66 on February 17, 2008
Verified Purchase
Product works well but you need to check the output at the end of the cigarette lighter plug with voltmeter. I couldn't figure out why there was no power at the cig plug. After some investigating I realized there was a fuse inside the cig plug that was blown. Even though the blue light is flashing you'll still have no power at the plug. I slid the chrome ring off the plug and it opened up exposing a blown fuse. Hope this helps.
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63 of 64 people found the following review helpful By Howard W. Nunez on July 29, 2007
I installed this battery maintainer on the dashboard of my motor home and plugged it into the cigarette lighter while the motor home was in long term storage. Since the rig faces the morning sun, the maintainer did an excellent job of keeping the battery up to charge. I am well pleased with this Sunforce Solar battery Maintainer and would recommend it to anyone in need of such a unit.
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75 of 82 people found the following review helpful By Paul D. von Fischer on October 10, 2007
I purchased this solar charger for a camping trip I had planned. Out in the high deserts of Arizona, I wanting protection that my truck battery will be charged. I have a 1993 Nissan Pathfinder with a WalMart battery. We did use the truck battery too much while camping and that next morning the battery would not turn over the truck motor. Hooked up the Sunforce 1.8W solar charger and by day end the truck started right up. LIFE SAVER!!! I would recomend the product HIGHLY!!!
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44 of 48 people found the following review helpful By george on February 27, 2009
I purchased 5 of these hoping they'd work as a cheap alternative to the more expensive solar chargers/maintainers. That was partly true; two of the five did but the other three all died within a month. Unfortunately this company(based in Canada) doesn't offer any support or warranty, contrary to what they advertise. Very poor quality and no support.
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29 of 31 people found the following review helpful By D. MCDONALD on September 5, 2009
Verified Purchase
I bought this array to trickle charge my 12V battery in my '05 Civic (I don't run the engine long enough between startups to maintain battery voltage). Attachment through the factory accessory plug was not feasible--the key must be turned to "accessory" for the plug to work, which then also powers up the radio. [Curiously, if I connected the array to the plug without the key on, I could turn on the radio, implying that the array was powering everything in the car that runs on "accessory"!] I therefore installed an always-on power socket; to do so, I installed a Bussmann BP/HHH ATM Add-A-Fuse to a unused fuse plug in my interior fuse panel, and attached to it a Radio Shack 270-1527 socket (after clipping off the battery clips).

In full sun, the array produces 70mA of current at 24V (60mA when properly attached to the battery). When attached in reverse, the array LED and diode together draw microamps of current (my ammeter could not measure that low of current).
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26 of 28 people found the following review helpful By Sisophous on December 21, 2010
Verified Purchase
Here's the scoop: Before you do anything, if you plan to use the Cigarette lighter output, test that your Cigarette lighter is ACTIVE WHEN THE ENGINE IS OFF. To do this, plug a cell phone into the lighter and see if it turns on (reads "charging") when the engine is off. If your cigarette lighter is not active with the engine off, there is no point in purchasing this. If you purchase this, have a cheap voltmeter to test whether the maintainer is actually outputting a charge. The flashing blue LED light on the maintainer only tells you there is enough light hitting the panel, nothing else. I called the tech line and they told me this info about the blue light. A cheap voltmeter that tests small batteries will suffice, just connect the + and - cables to the + and - terminals on the voltmeter. Do not trust the suction cups to mount the maintainer, mine fell after I thought it was secure, just lay it on the dashboard. I chose to return the 1.8 watt maintainer and purchased the 5.0 watt maintainer. I can fit the 5 watt size on my dashboard and it is not too large to fit in my rear window. The cables on the 5.0 watt maintainer are much more heavy duty than the ones on the 1.8 watt maintainer. Forget about the 15 watt maintainers to put inside a car, it is too large and requires a charge controller. The 1.8 watt and 5.0 watt sizes do not require a charge controller. I believe something in my car is slowly eating up my car battery since it died after less than a year of use so chose to go with a more heavy-duty maintainer to offset what could be draining it. Hope this helps.
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35 of 39 people found the following review helpful By IT Security on June 3, 2010
Verified Purchase
Noticed people weren't telling about the most important feature: Has a built-in diode for overcharge protection when the battery is charged fully and discharge protection to prevent discharge of battery when there's no light for charging. The discharge of batteries is a big problem that cheap solar chargers have. The blue flashing light indicates when there's enough light, even on cloudy days. On a vehicle I don't drive too often, I connect the battery directly with the enclosed battery clips since the cigarette lighter shuts off when the key is not in the ignition. I thread the wire (7 1/2 feet long)through the opening by the windshield wipers and close the hood then it thread it to inside the passenger compartment and gently close the door on the wire where the door's rubber gasket prevents the wire from being damaged. The solar charger is laid on the dashboard. If you want to leave it outside, there are instructions to make it waterproof by putting sealant on the vulnerable areas. The instructions say not to use it when the vehicle is moving but doesn't say why so I believe it may be for a safety factor of the charger placed on the dashboard area more than anything else. The maximum operating temperature range of -40 to 176 degrees F. makes it idea for outdoors.
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