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For the panel you can choose Shell solar panel.

Shersan, Let's say your power is 5*3+48*0.2=24.6W. For 12V system you should calculate like this 24.6/12=2.1A. So for 2 hours you need 4.2Ah energy from the moudle or battery. Let's guess for your location you can charge the battery for 4 hours. So 4.2Ah/4=1A. Then you get the power for the...

Hello Shersan, i need to know the detail informations. For examples how long the load will work for per day. How much power the load? Which output voltage do you want 12V or 24V? Maybe you also need DC-DC converter. More detail more helpful. Regards, Feng

Sorry, I forgot the unit. It should be 0.03US$/cm*cm. And this is not include transport cost.

For 3 oz. copper boards, I think you can easily recongnize from the edge of the boards. You can see the thickness from the copper cutting surface. We produce charge regulator for solar system. And our regulator can handle 40A work current though 3oz. copper-double side. i think the board...