I have a small cabin w/ solar system that I recently bought and am new to the game. Its a 12v system w/ 2 panels and 2 batteries (agm sealed 200ah 12v). I can have a good charge like 12.6,12.7 and then I will use it for a bit (like a couple of leds lights and cell phone charger) and after a short period of time (2,3 hours sometimes), at night, the charge controller reads it is like 11 give or take a bit and then shuts down from low voltage. It will go off and then in a bit of time (couple of minutes or more), it will say 12.5ish and work again.
I thought it might be a bad charge controller (it is a Morningstar Prostar PS-30M) and got another (cheap one this time) and it did exactly the same.
It seems with any load, the voltage drops quickly and then comes back when load is off [when solar is not charging].
Can someone explain whats going on?
Thanks,
JB
I thought it might be a bad charge controller (it is a Morningstar Prostar PS-30M) and got another (cheap one this time) and it did exactly the same.
It seems with any load, the voltage drops quickly and then comes back when load is off [when solar is not charging].
Can someone explain whats going on?
Thanks,
JB
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