Solar panels

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Re: Solar panels

Postby Esteban » Sun Sep 04, 2016 1:53 pm

solarblvd.com (as of 9/4/2016) has great prices for solar panels that could be mounted on a teardrop trailer:
Solar Cynergy 80 Watt 12 Volt Solar Panel only $59.00
Solar Cynergy 100 Watt 12 Volt Solar Panel only $80.00
Solar Cynergy 120 Watt 12 Volt Solar Panel only $96.00
Solar Cynergy 140 Watt 12 Volt Solar Panel only $112.00
Solar Cynergy 160 Watt 12V Monocrystalline Solar Panel only $115.00

:thumbsup: These prices seem compellingly good.

The 120 watt panel seems like the best buy because it will provide (more than) enough power for most users and fit on the roof of most teardrop trailers. Here are it's specs:
Model Name: PV-SC120J12
Number of Cells: 36 cells in series (4 x 9)
Max Power: 120Wp
Open Circuit Voltage (Voc): 21.0V
Short Circuit Current (Isc): 7.50
Maximum Power Voltage (Vmp): 17.0
Maximum Power Current (Imp): 7.00
Dimensions (inches): 50.98 X 26.22 X 1.38
Weight: 28.66 pounds
Steve - SLO, CA
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Re: Solar panels

Postby Videobear » Thu May 13, 2021 3:33 pm

Roof mounted solar panels have the advantage that they're fixed and require no attention. But they have serious disadvantages too. They can't be angled to get the best power throughout the day, and you have to park your TD in the hot sun. Portable panels will get you much more power per unit area for longer and you can put them in the sun while your campsite is in the shade. You just have to find a place to store them while driving.
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Re: Solar panels

Postby Socal Tom » Thu May 13, 2021 5:53 pm

vitya-velik wrote:How many ah would i need in my batteries for 135 watts of power??


How many hours do you plan to use the 125 watts?

vitya-velik wrote:Is it a good idea to convert my battery power--> 12V. to 115 volt to make it more convenient to charge stuff?


No, everytime you convert power is wastes some of the power. just get a 12V usb charger adapter ( like for your car).

vitya-velik wrote:Also can I use a converter to convert stsndar 115V from my house into 12V to use on my camper?


Yes, you need a power convertor to do that. A PC power supply can also be modified to do this.
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