Factory directly sale Poly-crystalline Solar Panel 40W Factory from America
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Poly-crystalline Solar Panel 40W
Technical parameter
Maximum Power(W) 40W
Optimum Power Voltage(Vmp) 17.35V
Optimum Operating Current(Imp) 2.31A
Open Circuit Voltage(Voc) 21.16V
Short Circuit Current(Isc) 2.53A
Mechanical Characteristics
Cell Type Polycrystalline 156 x 52mm
No of Cell 36 (4x9pcs)
Dimensions 670x420x30mm
Weight 4.0Kg
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——Polycrystalline solar cell 156*52mm
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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After being on our new homestead for a couple months it was becoming obvious that the built in trickle charger installed in our RV wasn’t keeping up with our battery consumption. Even when running our Honda EU3000i Handi generator for hours each day it simply wasn’t getting the battery charged. A little research turned up that the trickle was only 1 amp. Since we rely on our deep cycle battery for nearly everything in the RV and a dead battery is a major problem we needed more juice. Solar charging and a larger battery bank are in our future, but one thing at a time.
After hours of research and talking with a few battery charger gurus we decided on this 15 amp Schumacher Ship ‘N’ Shore Rapid Battery Charger as a great value, well suited to our needs and a good fit for charging our RV deep cycle battery. It features an algorithm computer control that determines the proper charing phase based on capacity, battery type and state of charge. So when the voltage is low it knows to give it full power, know as bulk charging, but when the voltage nears maximum, it slows down to absorb to get the maximum storage from the battery and then once fully charge it keeps it there via a float stage. This is very similar to the top solar charge controllers, but at a fraction of the cost.
Total cost from the charger was around $50 from Amazon and it’s a very straightforward design. We’re really benefiting from it as our daily incidental generator usage is now more than enough to keep our battery at or near full charge in stead of at or near full discharge as was the case previously. 15 amps is more than enough to top of our battery in just an hour or two and with a algorithm control we don’t need to worry about overcharging.
This is an interim solution for us until we are able to invest in a solar setup and proper battery bank. Opting for a $50 solution was more appropriate than trying to finagle a more costly expandable solar solution when we don’t have all the details on our solar system yet.
If you’re needing a charger to keep your RV, boat, car or truck charged this one is affordable, simple to operate and provides good charging results. Some reviews complained about the short cord, but we just used an extension cord. Not a big problem. Others said the computer can get a little confused and if you’re getting odd charging, just unplug and plug back in. We’ve done that a couple times just to be sure, but overall we haven’t had any of those issues.
Hopefully this review of the Schumacher Ship N Shore 15 amp Rapid charger has been helpful!
The exact model we purchased is the “Schumacher SSC-1500A-CA Ship ‘N’ Shore 15 Amp SpeedCharge Charger”: http://amzn.to/1O4UstT
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