Europe style for Poly-crystalline Solar Panel 250W Guyana Factory
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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
Tat’s Revolution
There is no point in having Harbor Fright solar panels if you don’t know how many you need. If you don’t know what you want to run on your solar panel/battery bank and you don’t know how many watts it will take you will probably be in for a really big disappointment when you go to power your full size side-by-side refrigerator/freezer and window air conditioner.
One Harbor Freight Solar Panel Kit produces 45 watts/hr. Five hours of full sun is the amount used as the standard in calculating how much power you can generate. 5 hrs x 45 watts = 225 watts (total power for 24 hours.) With line loss and DC to AC power loss that isn’t enough wattage to run two 100 watt bulbs for two hours.
Use a Kill-A-Watt meter to measure the watts used in 24 hours for each appliance, then add up the usage. Then you know how many Harbor Freight solar panel kits you will needs. Then you need the batteries to store the power.
Kill-A-Watt on Amazon: http://www.amazon.com/gp/product/B00009MDBU/ref=as_li_ss_tl?ie=UTF8&tag=everwebserv-20&linkCode=as2&camp=217145&creative=399349&creativeASIN=B00009MDBU
