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Growatt SPH3600 hybrid inverter + 2 x 6.5kw batteries + solar
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<blockquote data-quote="Si_Oakwood" data-source="post: 545458" data-attributes="member: 35132"><p>Hi, I just wanted to check whether you actually should be using Battery First mode during the day? It says in the manual "it's suitable working on the period when the electric charge is low".</p><p></p><p>Personally, I use Load First all the time (had it for 10 months now) which is the default setup and use virtually nothing from the grid. I did use Battery First (with AC grid charging activated) for an hour or so at night (economy 7 rate) in Dec/Jan to top up the battery to avoid paying day elec rates in winter.</p><p></p><p>I can't work out why your consumption matches solar when the battery is at 100% (if your battery was charging it'd make sense), except perhaps that something has been installed to automatically use excess solar (car charger or immersion e.g. Eddi maybe?).</p><p></p><p>I'd be interested to see how your usage graph looks when in Load First. The strange thing is that you're not showing any imported power, although if it's just obscured because it's always around 0 then that's a good thing. </p><p></p><p>Here's how mine looked yesterday (you can see when the battery hit 100% at around 12:30 because then it starts exporting the excess):</p><p>[ATTACH=full]15484[/ATTACH]</p></blockquote><p></p>
[QUOTE="Si_Oakwood, post: 545458, member: 35132"] Hi, I just wanted to check whether you actually should be using Battery First mode during the day? It says in the manual "it's suitable working on the period when the electric charge is low". Personally, I use Load First all the time (had it for 10 months now) which is the default setup and use virtually nothing from the grid. I did use Battery First (with AC grid charging activated) for an hour or so at night (economy 7 rate) in Dec/Jan to top up the battery to avoid paying day elec rates in winter. I can't work out why your consumption matches solar when the battery is at 100% (if your battery was charging it'd make sense), except perhaps that something has been installed to automatically use excess solar (car charger or immersion e.g. Eddi maybe?). I'd be interested to see how your usage graph looks when in Load First. The strange thing is that you're not showing any imported power, although if it's just obscured because it's always around 0 then that's a good thing. Here's how mine looked yesterday (you can see when the battery hit 100% at around 12:30 because then it starts exporting the excess): [ATTACH type="full"]15484[/ATTACH] [/QUOTE]
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Growatt SPH3600 hybrid inverter + 2 x 6.5kw batteries + solar
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