Go Power! GP-SF-5 SUNfilm 5 Watt Solar Panel

• Harness the power of the sun to charge your 12 Volt batteries with 5 Watts of charge
• Completely silent green energy
• Comes with a variety of connections to hook up to many types of 12 Volt batteries
• Trickle charge cars, trucks, motorcycles, snowmobiles, ATV's, personal watercraft and more
• Keep your batteries topped up when they are left idle

We received this solar panel today. It was $14 less than the Sunforce 5-watt panel we ordered, but it had extra accessories, including something you can plug in to see if it is charging properly. It arrived well packed and in perfect condition. It is such a good deal, I am ordering another one.

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I've already been using the Sunforce 5-watt panel so I thought I'd give this one a try for 20 bucks less : )

Out of the box the packaging is fine. Mine was a bit messy and looked like it might have been used/returned but it works so I don't care.

In most respects it is identical to the Sunforce but there are differences.

1) the Sunforce is quite a bit heavier. The casing is thicker and it weighs about twice as much. Does this mean one is tougher than the other? Not sure but it's worth noting that there is a noticeable difference. Both are behind windshields so I'm not worried about it.

2) the Go-Power has the same alligator clips and male cig lighter plug as the Sunforce BUT they toss in a little LED to prove the panel is still producing power. I use a volt meter so I don't need the LED but hey...it's there if you need it. BTW, the LED will also work for the Sunforce and any others that use the standard quick disconnects.

3) the Go-Power also includes a quick disconnect that ends in bare wires (they are cut off but not exposed). I don't need that for something that only produces 5 watts but I'll take it as I use those for all kinds of crazy projects with my large panels and trickle chargers.

Probably the most noticeable difference is the output. I laid the Go-Power and Sunforce side by side in the driveway, flat on the ground. Sun was heading down but still bright out so not the BEST situation for power but my goal was to compare the panels against each other.

Using my volt meter, the Sunforce put out 19.4 volts and the Go-Power 20.5. In case it had something to do with which one was on the left or right...I switched places and the same result. The Go-Power put out slightly more juice.

I'm not saying that if I tried another Sunforce it wouldn't be 21 volts...just saying of the two I have, those are the readings I got.

I've been using my Sunforce for a few months in my rarely-driven passenger van and it's done a great job. The Go-Power is going into my s-10 blazer that also rarely gets out of the driveway. I'm expecting the same positive results.

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This solar charger is exactly what I wanted and works perfect. The first

one came to me distroyed by the PO. It was replaced immediately and I

never have to worry about batteries on the RV again.

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I have a short in my car somewhere causing a slow drain on the battery.

I decided to give this a try as a temporary fix as I don't have time to take my car in due to the work schedule.

I was hoping for something that would keep a charged battery topped off, but I plugged it into the cigarette lighter and stuck the panel on the dashboard and found the same cloudy day my battery actually got a bit of charged back from completely dead. Two days later the engine tried to turn, and it's now charged to the point of being able to start in the winter on day three. Remarkable.

I was hoping for something to prolong the charge a bit until I could take the car in, and I have a relatively small panel that is charging a battery from dead.

Great price as well. Definitely recommended.

I bought this to keep the deep cycle battery charged up for my trailer. The battery had run down from disuse and looked at all sorts of chargers that ranged from $30-120 most were chargers that you need to plug into power. A solar panel was suggested and after checking reviews I bought the SUNfilm 5 watt. It really was a "plug and play". It charged the battery up to full charge in less than a day. Couldn't be happier.