about 23 hours ago - 3 comments
Question by : how large must a solar panel be to power a train? If the schematics of a solar train were drawn, what would they look like? Would the train be large or small? Where would the panels be placed? And if so, how large must the panels be to fit the roof? Even
about 2 days ago - No comments
Question by Ashley J: How much solar energy (kJ) would have to be…? How much solar energy (kJ) would have to be transferred to a 145.0 foot length of asphalt highway that is 49.0 feet wide and 25.0 centimeters deep in order to raise the temperature 5.00 oC ?The average density of asphalt is 721
about 3 days ago - 2 comments
Question by : How do I make my own solar panel? How do I make my own solar panels and generate my own power cheaply. The commercial one’s are just too expensive. —————————————— Answer by mugikuyuIts very easy but the entire process is quite lengthy. You will need to purchase some materials and then assemble
about 4 days ago - 2 comments
Question by elrodvoss: What Solar Panel Efficiency would replace Coal? A friend sent me an article that a company called Fraunhofer has produced solar panels that can achieve 41.1% efficiency. Now taking into account the fact that solar do sent work during storms or night and greatly reduced during winters, what % do you think
about 6 days ago - No comments
Question by Jake P: Are there any Universities that have programs about solar energy? I wanted to know if there are any Universities in North America that have programs that teach about solar energy and using it for electricity in a home (mainly installation). —————————————— Answer by Dr. Clandestine:)Many dude, they have a nice supply
about 1 week ago - 1 comment
Question by GorgeousLilThing: I want to conserve energy, Is there anyone out there who knows how to make solar panel the simple way? What are the key materials needed to create a solar panel and the simple steps to assemble it. What would be the desirable size of the panel enough to run a desk
about 1 week ago - 1 comment
Question by : why not people use solar energy for their daily need? I am observing that normally we need electricity for lighting purpose then why not people use solar energy for lighting in each room. —————————————— Answer by DifdiMost people are not millionaires. Solar energy systems equal to what you can get via normal
about 1 week ago - 2 comments
Question by : What is an issue or something interesting about the solar panel technology? I’m hoping to do a science fair project on solar panels. Since energy has been a large issue lately, I was hoping to research on this topic! What are some things that I can possibly do or experiment on? Thank
about 1 week ago - No comments
Question by jayB: Are there any grants for converting homes and or swimming pools to solar energy? my pool is heated by gas.I can’t afford to heat the pool with the price of gas. also I would like convert the houses to solar energy. I need to become absolutely energy efficient with solar energy with
about 1 week ago - No comments
Question by viva_mexico321: How to increase current to charge battery faster? 80 watt Solar panel? I have 80 watt solar panel, solar control and two batteries. A marine deep cycle battery and vehicle battery. Am test how long does it take to charge the batteries completely. Im on day two and still nothing. Is there
(out of 4 reviews)
about 1 year ago
Review by Michael Sheehan for HQRP 10A Solar Panel Power Battery Charge Controller / Regulator 12V / 24V 10 Amp 150W with PWM Type of Charging plus HQRP Coaster
Rating:
This product is a piece of garbage. I thought it would be a cheap fix for my 85 watt sunwise panel in my back yard. I turned out to be a cheap and flimsy. I checked and rechecked the wires to make sure they where secure. Then I tested the panel and battery which where operating correctly. This led me to the controller which I needed to shake to get some lights to light up. I would not waste my time or energy on this product.
about 1 year ago
Review by J Galt II for HQRP 10A Solar Panel Power Battery Charge Controller / Regulator 12V / 24V 10 Amp 150W with PWM Type of Charging plus HQRP Coaster
Rating:
This item appears to be made well and performs well to date. The enclosed instructions were inadequate, but reading other reviews helped sort it out.
I use it to regulate a solar panel for battery maintenance in a RoadTrek RV that is parked away from AC electricity source.
Radio shack provided a nice cigarette lighter type plug-in connector and I had on hand some appropriate marine 12 V. insulated wire so installation was quite simple. The solar panel sits on the dash when in use.
about 1 year ago
Review by B. Heath for HQRP 10A Solar Panel Power Battery Charge Controller / Regulator 12V / 24V 10 Amp 150W with PWM Type of Charging plus HQRP Coaster
Rating:
I use this controller with a 50W 12V panel to charge a deep cycle battery as part of a self-sufficient porch lighting system. HQRP Controller works great!
about 1 year ago
Review by Aulbert B. West Jr. for HQRP 10A Solar Panel Power Battery Charge Controller / Regulator 12V / 24V 10 Amp 150W with PWM Type of Charging plus HQRP Coaster
Rating:
Actually, I do not know how this product works. Once again the seller was not misleading, the reason for a 3 is that I do not know how it is supposed to work. I thought I had ordered a solar panel for some reason. A panel intending to charge up a 20 volt laptop, and a 12 volt portable power station. The 12/24 volt charger is what made me think that. It’s actually a charger, and not a panel, so I ordered the wrong thing. This is not the seller’s fault, the instructions are fine.
While the seller could probably tweak the information a little to address jugheads like me, the information was clear in the ad. I just order the wrong thing.