Is there any point in putting a storage battery into my solar water pump circult? Answered
I have a small pump that I use to move water in a birdbath outside of my office window. It's solar-powered. Here it is on eBay. According to the very minimal information sheet included, the "Power of Solar Battery" is 7V/1.2W. The "Power of Pump" is 7V/1.05W.
The pump only runs when the panel is in direct sunlight. Is there any reasonable way to add a larger storage battery to the circuit so that power is stored when the sun is brightest and the pump can run for a longer time?