Sunforce Products
Sunforce Products Inc. has been making renewable energy products–from solar battery maintainers to wind turbines–since 2005. Their solar battery maintainers and trickle chargers are the most popular on the market and are available in a range of output capabilities (from 1 watt to 15 watts) for a variety of uses and applications.
On the left, you can see the 1 watt Sunforce 50013. It’s useful for maintaining motorcycle, ATV, Jet Ski, snowmobile and tractor batteries.
The 1.8 watt Sunforce 50012 is a good choice for maintaining car, SUV, Boat, ATV, or Jet Ski batteries. Like all of the Sunforce solar battery maintainers and trickle chargers, it uses amorphous solar technology (a.k.a. thin film solar panels) which, simply put, are produced by spraying very thin layers of silicon onto glass. This is a low cost technique that produces efficient solar panels capable of generating electricity in all lighting conditions.
The Sunforce 50022 5 watt trickle charger, as I mentioned before, is very popular with Amazon customers. Thanks to its extra wattage, it can be put to a wide range of uses. According to the product description, it can run “deer feeders and landscaping pumps…and is a great choice for automobiles, recreational vehicles, tractors, all terrain vehicles, boats, electric fences, telemetry and more.”
Amazon customer Tab Numlock says:
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.
The Sunforce 50033 15-Watt Solar Charging Kit comes with the Sunforce 7 Amp Charge Controller included. The charge controller prevents overcharging of 12-volt batteries, and can handle up to 7 amps of array current and up to 100 watts of solar power. Amazon customer Trailrider comments that:
I purchased two of these panels for my camper, along with their 7 amp charge controller. I used them for five days to maintain my batteries while camping without electrical hook-ups. During that time, the batteries supplied the power for the lights, water pump, and ignition source for my propane-fired water heater and refrigerator. The charge on the batteries was never below 12.8 volts the entire time. I will purchase one or two more in the future to go even longer without paying for electricity while camping.





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