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I'd appreciate some help on how to wire up an old solar panel I acquired. It's about 2' x 42" and has an array of 4 x 9 cells. The company is out of business. I've attached a picture of the box which shows 3 terminals on the negative side and 3 terminals on the positive side. I know I can check...

I set up a very old solar panel (18"x4') on my koi pond to run an air bubbler and it works fine. I'd like to install a 12v rechargeable battery that would run the bubbler at night for around 6-8 hours. Could someone suggest what battery pack to buy and how to wire it up? 1. Solar panel is old...

So, I guess no electricians out there???????????????????????

Yes it now only runs during daylight. I'd like the smallest 12v battery possible. I was hoping that I could use my current 12v feed to power the bubbler and the rechargeable battery at the same time. Is this not possible? If I feed the 20v from the panel to a charge controller, will it then...

As stated above: B15 Marine Metal Aeration System Power Bubbles 12 V DCw, very low current +/- .46 amps

no battery, that's what I'm trying to setup