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The Brunton SolarFlat Amorphous Solar Panel mounts to your RV, truck, boat, or roof to provide extra electrical power. So what if you played music and left your truck lights on for the last five hours? The SolarFlat has been charging your battery the entire time. Brunton used a weatherproof amorphous film that works even on low-light overcast days, and it's not harmed by rain or snow. The SolarFlat also includes a UV inhibitor to reduce the chances of heat damage.
Bottom Line: Backup power for home or on the road.
The specs say this is about 14" X 13". That would make it almost square, yet the picture very clearly show it is far from being a square. Which is correct??
These are both 12 volt panels, but unless your pump operates at less than 5 watts (or 1.8 watts for the small version), these will not work. These panels, and almost all portable solar panels, are designed to recharge the various batteries found in electronics and trickle-charge larger batteries, like automotive or laptop. So, if you were to operate the pump from a battery, these panels would recharge that battery, assuming the battery could be recharged and sufficient time was allowed to charge between uses (obviously, the larger the battery, the longer the charge time).
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What is the minimum panel that will power a string of Xmas lights - 50 LED "New Ray" lights - in Boston, in the winter. Collector will get x thousand footcandles, but not necessarily direct sunlight in the winter (it's Boston!) The small stake panel lit string lit for 10 hours after full charge in direct sunlight indoors but only 1/2 hour in overcast outdoors. Ideally want to have 3 strings powered. Installation is in semi-public location and theft is a risk. [We promised to put lights on tree at half-way house, so we are very motivated to get it done, but trying to avoid being stupid... sigh] thanks
The solar panels used to keep the batteries charged for my two electric rod iron gates were stolen. Will this solar panel trickle charge the batteries for my gates, efficiently and effectively?
Sure, but only 5W. That's not much power at all. 5W is great for charging your mobile phone or iPod, but your 1000W microwave will suck all the power up rather expeditiously.
It completely depends upon the draw of these batteries.For some simple math, use the equation P=VI, where P = watts, v = voltage, and i = current or amps. Batteries commonly run at 14volts, you'll draw several amps, and you'll need more watts going in.For some comparison, my MacBook Pro (laptop) charger draws a full 85 watts to charge in 2-3 hours.You'll need a lot of these panels for three marine batteries. If you're just wanting something to keep the radio going, these panels will do the trick.Also, for connecting to a battery, I'd seriously look at this controller. It needs a minimum of 10 watt input:http://www.backcountry.com/store/BRU0149/Brunton-Solar-Controller-Battery-Charge-Monitor.html
Most AC units draw more power than a small solar panel can provide, and wiring solar power to your home requires a skilled electrician. Many states offer tax credits for installing solar panels. If you're serious about wanting to harness solar energy I recommend that you find a local person that specializes in solar installations. You can begin your search here: http://www.solarelectricpower.org