13 Years Manufacturer Poly-crystalline Solar Panel 250W Wholesale to Atlanta

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Poly-crystalline Solar Panel 250W

Technical parameter

Maximum Power(W)                           250W

Optimum Power Voltage(Vmp)           30.25V

Optimum Operating Current(Imp)       8.26A

Open Circuit Voltage(Voc)                  36.61V

Short Circuit Current(Isc)                     8.89A

Mechanical Characteristics

Cell Type Polycrystalline                      156x156mm (6 inch)

No of Cell                                              60 (6x10pcs)

Dimensions                                           1640x990x40mm

Weight                                                   18.5KGS

Front Glass                                            3.2mm,High Transmission, Low Iron,Tempered Glass

Junction box                                          IP65 Rated

Output Cable                                         TUV 1×4.0mm2/UL12AWG,Length:900mm

Temperature and Coefficients

Operating Temperature(°C):               -40°C ~ + 85°C

Maximum System Voltage:                  600V(UL)/1000V(IEC) DC

Maximum Rated Current Series:         15A

Temperature Coefficients of Pmax:     -0.47%

Temperature Coefficients of Voc:        -0.389%

Temperature Coefficients of Isc:           0.057%

Nominal Operationg Cell Temperature (NOCT): 47+/-2°C

 Materials of solar panel

1).Solar Cell——Polycrystalline solar cell 156*156mm

2).Front Glass——-3.2mm, high transmission, low iron, tempered glass

3).EVA——-excellent anti-aging EVA

4).TPT——-TPT hot seal made of flame resistance

5).Frame——anodized aluminum profile

6).Junction Box——-IP65 rated, high quality, with diode protection

Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.

Features

1. High cell efficiency with quality silicon materials for long term output stability

2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures

3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance

4. Both Poly-crystalline and Mono-crystalline

5. Excellent performance in harsh weather

6. Outstanding electrical performance under high temperature and low irradiance 

Quality assurance testing

Thermal cycling test

Thermal shock test

Thermal/Freezing and high humidity cycling test

Electrical isolation test 

Hail impact test

Mechanical, wind and twist loading test

Salt mist test

Light and water-exposure test

Moist carbon dioxide/sulphur dioxide

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  • What is FLEXIBLE ELECTRONICS? What does FLEXIBLE ELECTRONICS mean? FLEXIBLE ELECTRONICS meaning – FLEXIBLE ELECTRONICS definition -FLEXIBLE ELECTRONICS explanation.

    Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.

    Flexible electronics, also known as flex circuits, is a technology for assembling electronic circuits by mounting electronic devices on flexible plastic substrates, such as polyimide, PEEK or transparent conductive polyester film. Additionally, flex circuits can be screen printed silver circuits on polyester. Flexible electronic assemblies may be manufactured using identical components used for rigid printed circuit boards, allowing the board to conform to a desired shape, or to flex during its use. An alternative approach to flexible electronics suggests various etching techniques to thin down the traditional silicon substrate to few tens of micrometers to gain reasonable flexibility (~ 5 mm bending radius).

    Flexible printed circuits (FPC) are made with a photolithographic technology. An alternative way of making flexible foil circuits or flexible flat cables (FFCs) is laminating very thin (0.07 mm) copper strips in between two layers of PET. These PET layers, typically 0.05 mm thick, are coated with an adhesive which is thermosetting, and will be activated during the lamination process. FPCs and FFCs have several advantages in many applications:

    Tightly assembled electronic packages, where electrical connections are required in 3 axes, such as cameras (static application).
    Electrical connections where the assembly is required to flex during its normal use, such as folding cell phones (dynamic application).
    Electrical connections between sub-assemblies to replace wire harnesses, which are heavier and bulkier, such as in cars, rockets and satellites.
    Electrical connections where board thickness or space constraints are driving factors.

    Flex circuits are often used as connectors in various applications where flexibility, space savings, or production constraints limit the serviceability of rigid circuit boards or hand wiring. A common application of flex circuits is in computer keyboards; most keyboards use flex circuits for the switch matrix.

    In LCD fabrication, glass is used as a substrate. If thin flexible plastic or metal foil is used as the substrate instead, the entire system can be flexible, as the film deposited on top of the substrate is usually very thin, on the order of a few micrometres.

    Organic light-emitting diodes (OLEDs) are normally used instead of a back-light for flexible displays, making a flexible organic light-emitting diode display.

    Most flexible circuits are passive wiring structures that are used to interconnect electronic components such as integrated circuits, resistor, capacitors and the like, however some are used only for making interconnections between other electronic assemblies either directly or by means of connectors.

    In the automotive field, flexible circuits are used in instrument panels, under-hood controls, circuits to be concealed within the headliner of the cabin, and in ABS systems. In computer peripherals flexible circuits are used on the moving print head of printers, and to connect signals to the moving arm carrying the read/write heads of disk drives. Consumer electronics devices make use of flexible circuits in cameras, personal entertainment devices, calculators, or exercise monitors.

    Flexible circuits are found in industrial and medical devices where many interconnections are required in a compact package. Cellular telephones are another widespread example of flexible circuits.

    Flexible solar cells have been developed for powering satellites. These cells are lightweight, can be rolled up for launch, and are easily deployable, making them a good match for the application. They can also be sewn into backpacks or outerwear.



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    Today we are reviewing the SunJack 14W Solar Charger With 8000mAh Battery.

    http://www.thesunjack.com/product/sunjack-14w-solar-charger/

    $150.00

    http://www.amazon.com/GigaWatt-Inc-SJ14-SunJack-Portable/dp/B00E7Z06LC

    Solar panels: 14 watts of high efficiency mono-crystalline
    Max output voltage/current: Two 5V/2A USB ports

    Battery: 8,000mAh lithium-polymer battery

    Size folded: 6.75” x 9.25” x 1.75” (17.15cm x 23.50cm x 4.5cm)
    Size unfolded: 30.75” x 9.25” x 1.75” (78.11cm x 23.50cm x 4.5cm)
    Weight: 2lbs (907.19grams)

    14 Watts of high efficiency mono-crystaline solar cells
    Wall outlet charging speeds with 5V/2A USB ports

    8,000mAh lithium-polymer battery charges in 5 hours

    Lightweight and durable – shock, vibration, and weather resistant

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