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Joined: Jan 20, 2022
Last seen: May 26, 2026
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Topics: 16 / Replies: 3178
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Indeed. There's lots of people get ripped off when installing solar panels! 😋   You're caught between two conflicting concepts. E...

1 month ago
Forum
Solar Photovoltaic (PV)
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RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Thanks for confirming that the roof is steel box-section and supported by plywood.That makes a difference. We obviously haven't got enough data to a...

1 month ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

Your pipe lagging efficiency depends on the thickness of dry insulation, which traps air within closed cells in the foam. If water can get in ... ...

1 month ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

OK. That garage roof looks corrugated to me. I'm not concerned by the size of the roof joists themselves. 225x75mm seems over-spec for such a lightw...

1 month ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Adding 5 More Panels to My Growatt Inverter – Second String Questions on Specs, Cabling & Configuration

I doubt it. Both of the MPPT inputs will be ready to accept panels.   No. The MPPT inputs operate independently. Provided each PV string...

1 month ago
Forum
Solar Photovoltaic (PV)
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RE: Jokes and fun posts about heat pumps and renewables

This message header was in my email queue today: If I assume those connections to be the three phases do I get the job? It could be a trick ques...

2 months ago
Forum
Well & Truly Off The Grid
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RE: Indevolt Batteries UK Support & Info Thread

How is that connecting? WiFi? is there an RS485 port to allow 3rd party controllers to give commands?

2 months ago
Forum
Energy Storage
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RE: Indevolt Batteries UK Support & Info Thread

i don't know. But Proteus was manufacturing them in the UK before the IET amendment to make them compulsory for circuits supplying generation devices....

2 months ago
Forum
Energy Storage
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RE: Indevolt Batteries UK Support & Info Thread

Yes. Both of the above are true.... ... albeit without any of the technical explanation which supports those statements! Personally, I still think...

2 months ago
Forum
Energy Storage
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RE: Indevolt Batteries UK Support & Info Thread

Sure. Let me first place my Alibaba reference back into context. I commented that there are micro-inverters being sold online from both UK supplie...

2 months ago
Forum
Energy Storage
Reply
RE: Indevolt Batteries UK Support & Info Thread

I think there are yet bigger challenges. Whatever are the discussions going on in DESNZ, in practice the Secretary of State, the DNOs and the IET ca...

2 months ago
Forum
Energy Storage
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