Sunforce 52013 1.8-Watt Solar Battery Maintainer (Pack of 2)

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Price: $39.95    

Product Feature

• Each panel creates 1.8 Watts of energy and charges 12V batteries
• Works with motorcycles, cars, snowmobiles, tractors and more
• Made of durable ABS plastic and amorphous solar cells
• For indoor use--solar panels are not waterproof
• Each unit includes 7.5 feet of wire, 12V DC plug, suction cups for mounting for easy mounting onto windshields, and battery clamps for plugging into cigarette lighter

Product Description

The Sunforce 52013 1.8-Watt Solar Battery Maintainer Twin Pack is comprised of two solar battery maintainers that are ideal for the batteries of cars, SUVs, boats, tractors and more. The units are completely maintenance-free and easy to install. 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. Constructed with a built-in blocking diode to prevent reverse discharge, the amorphous solar panels charge in all daylight conditions, even on cloudy days. The complete kit for each unit includes 7.5 feet of wire, 12V DC plug, suction cups for easy mounting, and battery clamps. With a maximum temperature range from -40 to 176 degrees Fahrenheit, each solar panel provides 1.8 Watts or 125 mA of power to prevent the natural voltage drain of batteries over time.

Sunforce 52013 1.8-Watt Solar Battery Maintainer (Pack of 2) Review

I got these for my rv as well as my jeep that sits for weeks on end. The solar panels came packaged ok. No loose parts or missing parts. You receive both a cigarette lighter plug as well as alligator clips. Both adaptors attach easily to the solar panel. One of my complaints are the suction cups used to attach to the windshield. They don't suck! Meaning, they constantly fall of the windshield. You do get 4 suction cups in the packaging. I had to play with the cups to find the 2 that worked the "best".

Doing a little testing on my amp draw of my jeep. I found that is pulls .088 amps with no key and all accessories off. Sticking a panel to my windshield resulted in a reduction of my amp draw to .017 amps. This is better, but not quite what I was wanting. Remembering that all windshields come with a UV filter in them, I pulled the solar panel into the direct sunlight and found the vehicle was now charging .023 amps. This is more like it, however, reading the directions, these panels are not weather proof, meaning, waterproof.

Installing the second panel along with the first behind the windshield resulted in a charging of .017 amps. So, it seems I need to install both panels to keep my battery maintained while in "storage". Remember to check that your cigarette lighter is a constant power on (there is power with the key in the off position). If not you will need to install a aftermarket plug for the panels to work.

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