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1.dc air cooler motor fan
2.CE certification
3.fans for camping/home
4.DC/solar power,save electricity
5.factory

hot sale popular 12V dc solar fan dc air cooler motor fan

Feature

Model Number	Voltage	Power	Material	color	speed	fan blades size
DC-12V12N	12V	13W	PP+ Rai+Surface Treatment	red,blue or green	1250RPM	12 inch

Blade diameter 12 inch ,60minutes timer,2m DC power line or clip or DC connector
3 level controller;H:1250RPM;
A wide-angle air supply; the level of directional adjustment
Case Material:ABS+ Rail+Surface Treatment
Power method:DC 12V
Power:13W dc solar fan
Working method:AC/DC/Solar panel/Controller box.

Q: How to choose a good use of solar energy: See building structureMulti story building: installation is not limited, vacuum tube solar energy and flat panel solar energy products can be selected. Senior and small high-level: balcony solar energy products can choose. Villa Construction: can choose to install flexible, can be integrated with the construction of flat panel solar energy, flat panel solar energy is not affected by high-rise and special buildings, beautiful and generous.See pipeBecause the water heater is often placed on the roof, there is a certain pressure and the house in the summer, hot water with high temperature (about 90 DEG C), the actual situation of low ambient temperature, so the best selection of crosslinking tube or plastic composite pipe or reinforced plastic hose. The utility model has the advantages of high pressure resistance, high temperature resistance, low temperature resistance, no toxicity, no odor, small heat capacity, small heat loss, and easy to freeze in winter.After-sale serviceThe best choice of well-known brands and the strength of dealers (longer distribution time, product quality complaints rate) of the water heater. Because the solar water heater is durable consumer goods, and usually installed in the roof, once the fault, it is difficult to deal with their own. So the customer service service must be guaranteed, at present, the whole market free warranty period of 3 - 5 years.

Q: Solar products must be in the sun: Solar energy products are generally inseparable from the sun, but there are also some of the solar radiation energy demand for smaller products

Q: Is it hot in summer and the water is hot in winter?: Wall type solar water heater can belong to the separated type solar hot water system, water tank placed in the balcony or exterior wall, the collector is placed at the south facade of building a balcony wall hanging type solar water heater with flat collector to absorb solar radiation into heat, heat to reach the water tank and the water heat exchanger, so that the temperature of the whole the water tank is increased gradually, let the user can enjoy free hot water from the sun.The successful use of plate heat exchanger technology in wall mounted solar products, not only improves the thermal efficiency of balcony wall products, and the successful implementation of the building safety products and life integration, so that the water heater installation expanded to all floors and is not limited to the roof, and greatly lifted the traditional solar water heater, frozen fried tube, easy Water Leakage, easy scaling problems.

Q: Or must there be built - in battery? If yes, then use the mobile phone lithium battery can?: Solar panels because of light effects, such as shadow, the angle, so the output voltage is not stable, not stable in 5V, generally with a simultaneous mobile power output and input to the panel itself has a built-in battery, then of course better.

Q: Now there is no sun, cloudy days can use solar products?: The amount of radiation of solar water heater is the meaning of the sun. The sun did not reach that he cannot.

Q: 30MW solar thermal power plant total investment: 0MW total investment in solar thermal power plants:Solar thermal power generation units at home and abroad to invest 1.5~3 yuan /kW range, so 30MW power plant is currently estimated to invest 5-9 billion yuan RMB.

Q: Solar panels with single crystal silicon or good thanks: Strongly recommended products tested in the sun or cloudy days will not be worse than the single crystalPolycrystalline solar panels solar panels with batteries, our company is committed to the development of solar cell production, processing and sales as one of the most professional. Product solar panels: respectively, including epoxy encapsulated battery board (PET process components) monocrystalline silicon, polycrystalline silicon, as well as laminated toughened glass packaging large components and amorphous silicon solar panels

Q: Are solar panels now in use?: Generally through the position, speed and torque in three ways to control the servo motor to achieve high-precision positioning of the transmission system, the transmission technology is the high-end products.

Q: Monocrystalline silicon market when the turnaround, to what extent: The world climate change, because solar energy is a one-time investment, the current data show that solar power business life cycle for 25 years, before 3 - 5 years for solar power plant manufacturing cost, the carbon dioxide produced far less than the size of the fossil power plant, therefore, the climate change and carbon dioxide emissions contribute to global; 4, the application prospect of solar energy is very extensive, both the roof power station, large-scale solar power plants, or used in human life will be very popular, the power system involves the possible and the sun can be combined.

Q: Outdoor solar energy products, how can we do the process of IP65 level, the design of the water which should be noted that what? Beg enlighten heroes!: Sub form to be simple, the need to seal the place where the seal can not add the province.Second, is the protection of components, internal structure should pay attention to water and diversion, it is best not to enter the water.

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