High Efficiency Factory Mono-Crystalline 50W Solar Panel Factory from Denmark

With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for High Efficiency Factory Mono-Crystalline 50W Solar Panel Factory from Denmark, We will wholeheartedly welcome all clients in the industry both at home and abroad to cooperate hand in hand, and create a bright future together.

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

How to make solar panels! A complete (from A to Z) tutorial on how to make a solar panel. all aspects of the build are covered. video breakdown: first minute: intro (w/pics and music). then, part one: “tabbing” solar cells. followed by part two (from 2:07 to 9:14) covering “cell layout and wiring”. followed by part 3 (from 9:14 to 18:00) covering “how to build the case”. and finally ending with “the wrap-up” (at 18:00). panel i designed is 6v/3.6A/21.6w (max) and can be used an a single “stand alone” panel or as part of a “3 panel set”. three of these homemade panels hooked in SERIES gives you a very similar voltage and power output to the 3 panel set that harbor freight sells and works great for charging 12 volt deep cycle batteries. a single one of these panels will power up (or charge up) tons of things. couple of notable things: works great to power up computer case fans (like the type in all of my solar thermal air heaters). note that even though many are 12 volt, they actually run well on any voltage from 6 to 12v. it’s also great for charging up most modern electronic devices. the panels’ six volt output and 3.6A (3600ma) should give a solid charge to most all of them. couple of notes: i bought the cells as a “kit” on ebay. it comes with 36 to 40 cells (which is enough for three of my panels), the tabbing/buswire, the blocking diode, rosin marker etc… all for about $25.00. then adding in the lumber ($13 to $20) and glass (at $5 a sheet), the cost to build is relatively low (esp. if you make 3 panels). works out to about 25/30 bucks a panel. *a single panel would be roughly 45 to 48 bucks ~ $25 (for kit) $13 (lumber) $5 (glass), plus misc. items. couple other things: for the metal “look” you could use aluminum tape around the edges and paint the wood maybe white (before adding the cells) and the diode is rated 6A. individual solar cell specs: each is: 3″x6″ .5v/3.6A/1.8w. lumber: 1/2″ plywood (cut to 22/ 1/4″ x 18 1/4″), Four one-inch square wooden dowels (2 cut to 22 1/4″ and 2 cut to 16 1/4″) and Four 3/8″ square wooden dowels. the glass is 16″ x 20″ standard window glass. notable hardware: Four 1.5″ screws (for the frame) and Fourteen one-inch screws (for the back). 100% clear silicone caulk. music is from youtube’s “copyright free” library. song title… Echinoderm Regeneration. UPDATE: (11/17/2016) i just posted a video on how to make a wooden solar panel stand (specifically for this panel). if interested here’s the link https://youtu.be/GVW6olidTCQ

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Website: www.extra-solar.com
Line: sunnergygrp
Tel: 061-545-5353