question

nanera avatar image
nanera asked

SmartSolar controller charger 100/50 - drop in charging at intervals

Hello, I have SmartSolar controller charger 100/50 and I'm seeing a drop in charging at intervals. I captured in 120 mins monitoring screenshot. Could you tell me is this normal?

Thank you for your time.

Screenshot_2022-02-11-12-02-45.jpeg

smart solar charging behaviour
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1 Answer
JohnC avatar image
JohnC answered ·

Hi @nanera

That's the mppt actually tracking. Every 10 min. It's normal. It will stop when the mppt reaches it's target V, as it doesn't then need to track.

2 comments
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nanera avatar image nanera commented ·

What you mean by "reaches it's target V"? When it's reaches voltage that is set for absorb or float state?

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JohnC avatar image JohnC ♦ nanera commented ·
@nanera

Yes, that's what I meant. When it's output is current-limited it has no need to track, and the Solar V will rise.

Just for fun, and your own wonderment, expand the graph out to 10 seconds or so and see it scanning multiple times in that short period.

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