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Alright thanks, things are clearer now.

They are meant for watering a garden. The 200 W pump has 15 meters maximum head height and 3000 liters/hour maximum flow rate. The 370 W pump has 15 meters maximum head height and 4000 liters/hour maximum flow rate.

Hi, I'm just curious about the differences between two solar pumps. There are 2 submersible well pumps, they both have a head height of 15 meters but one pump requires 200 W of power while the other needs 370 W. What's the reason behind but having the same performance but different needs for...

R I see, so the overall energy produced will be reduced, the two panels won't necessarily add up to 470 Watts.

Ari Alright I get, thank you for explaining in layman's terms. So it's not a problem at all, it's actually better that way having a lot more energy from the panels. An extra panel of the same size is fine.

I have a 100 Watts panel, is it safe to add that panel to the 330 Watts panel? Someone had said it's not advisable to mix panels of different sizes. Alright I see, so it's best to add another 330 W panel, thanks. Will I need an external control box if I add another panel since the pump specs...

I have a 100 Watts panel, is it safe to add that panel to the 330 Watts panel? Someone had said to me it's not advisable to mix panels of different sizes. (Ok got it I need an identical panel)

I recently bought a submersible 15 meter maximum head height pump. The maximum power rating for the pump is 370 Watts and the voltage is 12 to 24 volts and it has no need for an external control box (regulator). It performs at a maximum pressure of 1.2 bar. I bought a 330 Watts monocrystalline...