Yes, I will have a vehicle and access to jumper cables. Right now I am more just interested in the solar thing as a hobby and I am thinking with a few experiments I may be able to run my swamp cooler purely off solar and have some juice left to power batteries when I am not using not cooler.

Great thanks for chiming in.
Nothing like bringing back a 5-year-old thread.

Wow awesome, thanks for the info. A few follow up questions on this topic. It sounds like for a 12-volt battery I would only be using net 40ish volts for charging it. Would it then make sense that I could use the 2nd output (USB) on this panel rated at 5v 2a to utilize the additional 20 Watts? To me...

Does anyone know if a panel like this would work in this application.

https://www.amazon.com/gp/aw/d/B07432VB ... PR7O&psc=1

Hey all. This is my first post. I am thinking about buying a 60w panel to charge A 12V deep cycle battery around 100ah. I am a little confused about the math. The 60w panel is rated for 18v at 3 amp Max Will this be sufficient for charging this type of battery? I have seen a range of sudgeestions es...