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Illustrious Member
Joined: Jan 20, 2022
Last seen: Aug 21, 2025
Profile Activity
Topics: 16 / Replies: 2434
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RE: How to quickly top balance EVE 280 cells?

I don't think you need be concerned about that point. The reason we top balance is to create an even charge in each cell. It means that the balancin...

2 years ago
Forum
Energy Storage
Reply
RE: Say hello and introduce yourself

That's the response I expected from a Viessmann customer.They've established a niche market at the high quality end of the spectrum. I doubt that Vi...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: My experience with the Selpos Mason DIY kit

Well @chickenbig - it seems that you're experiencing similar issues with BMS units in parallel, to those I've found with Growatt inverters in parallel...

2 years ago
Forum
Energy Storage
Reply
RE: Say hello and introduce yourself

@gc61 - Does the installation of a high quality (expensive) Viessmann HP mean that you get an equally high quality installation from a Viessmann-train...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: My experience with the Selpos Mason DIY kit

Aagh! The first time I read this, I assumed you were talking about export to the grid! The term "export limit(ation)" needs to be reserved by us h...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

That's a shame. I don't which DNO you have, but it should be the case that their RIIO-ED2 'agreement' with Ofgem requires them to become DSO in natu...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

Neither of those options sounds satisfactory to me. Experience over the past year with trialing seven different BMS units has left me to conclude th...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

Erm... as a contributor here who has neither a Sunsynk inverter nor a Seplos BMS, are you telling us that the inverter assesses the SoC of the attache...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

Yes. An ESME device (Electricity Smart Metering Equipment) must have a minimum of five channels of Auxiliary Load Control Switches (ALCS). These are...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

Au contraire. There is a well coordinated plan to establish sub-50MWh commercial battery storage all over the UK. The bit I don't like about the p...

2 years ago
Forum
Energy Storage
Reply
RE: How do smart meters actually measure the amount of energy?

But the UK's Smart Meter specification was drawn up by Government in consultation with Ofgem. The meter manufacturers built to that standard in orde...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: My experience with the Selpos Mason DIY kit

I agree. So this needs a data request to ESO and a large hook to drag this topic back on target... Suffice to say that we must have off-grid battery...

2 years ago
Forum
Energy Storage
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