EcoRenovator - View Single Post - Solar panel sizing it will be charging a car battery.

stevehull · 07-20-16, 02:27 PM

Pinball,

I started with a 10 W panel to keep a deep cycle lead acid battery charged - and it was not enough. So I bought another cheapie 20W off Ebay and connected them in parallel.

Power used for 12 V DC pond aerator connected to a timer.

That works great!

Steve

07-20-16, 02:27 PM	#3
stevehull Steve Hull Join Date: Dec 2012 Location: hilly, tree covered Arcadia, OK USA Posts: 826 Thanks: 241 Thanked 165 Times in 123 Posts	Pinball, I started with a 10 W panel to keep a deep cycle lead acid battery charged - and it was not enough. So I bought another cheapie 20W off Ebay and connected them in parallel. Power used for 12 V DC pond aerator connected to a timer. That works great! Steve __________________ consulting on geothermal heating/cooling & rational energy use since 1990