Chinese Professional Mono-Crystalline 50W Solar Panel to Nigeria

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Technical parameter

Maximum Power(W)                        50W

Optimum Power Voltage(Vmp)        18.72V

Optimum Operating Current(Imp)    2.67A

Open Circuit Voltage(Voc)               22.83V

Short Circuit Current(Isc)                 2.94A

Mechanical Characteristics

Cell Type Monocrystalline              125×62.5mm

No of Cell                                        36 (4x9pcs)

Dimensions                                     636x554x25mm

Weight                                            4.2Kg

Front Glass                                     3.5mm,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——Mono-crystalline solar cell 125*125mm

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

Product Link: http://www.everbuying.net/product971122.html?lkid=92145&utm_source=youtube_130359001&utm_medium=sns&utm_campaign=lingpeng
Main Features:
1.High efficency SUNPOWER monocrystalline solar panel,solar conversion effeciency up to 25%.Most panels in the markets are normally 15% or even lower
2.Dual USB port,20w/3.4A output provides enough power to charge two devices at a time
3.Built-in intelligent chip, equipment’s current can be automatically identified and achieve quick charging.
4.Suaoki solar panel charger is 1/3 lighter than the same power of monocrystalline solar panel, which is easy to carry for camping,hiking,and other outdoor activities.
5.Equipped with four hooks, easy attachment to backpacks or other places

This video shows how we installed a stand alone solar powered fridge on our boat by making a cabinet from 18mm marine ply to house the fridge and battery. The fridge is a Waeco Coolmaster which uses approx. 2.7amps per hour. It is powered by a 110 amp hour AGM battery which negates the need to ventilate the battery. This is recharged by a 100w solar panel purchased by a company called Sunstore. The onboard EP Solar 10amp PWM (Pulse Width Modulation) solar charge regulator includes a display which allows us to monitor the battery use and real time charge being provided by the sun.
The charge controller has allowed us to use the fridge in summer from 9am to 9pm and from 3am to 4am so that we are not powering it 24 hours a day. We have used the boat for a weeks trip and there was just enough power to provide the fridge needs without a shore power top up (although it was a very sunny week).

If doing this project again we would opt for a MPPT (Maximum Power Point Tracking) charge regulator which can lead to an extra 30% power efficiency based on the UK sunshine, especially un duller days. We will probably upgrade to one of these in due course

Please feel free to leave comments or questions if you are planning or have completed such a project

This project was completed between April and Jun 2013

The title music is thanks to Kevin MacLeod

“Deliberate Thought” Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0

http://creativecommons.org/licenses/by/3.0/