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Joined: Jan 20, 2022
Last seen: Aug 23, 2025
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Topics: 16 / Replies: 2434
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RE: Business case for a battery?

Battery enclosures: The majority of storage batteries installed in UK are LiFePO4, operate at 52v nominal and have a capacity of 4-5kWh.Each box has...

10 months ago
Forum
Energy Storage
Reply
RE: Business case for a battery?

Wow! Please slow down @jamespa and @bontwoody - You're opening far too many issues at once! I can provide the technical background, together with ty...

10 months ago
Forum
Energy Storage
Reply
RE: Battery sizing - How low can you go!

News Flash. On another topic a few months ago, I was asked why I use such a mix of MCB trips from different manufacturers: And here's the answer...

10 months ago
Forum
Energy Storage
Reply
RE: Incorrect Billing of Customers with a Smart Meter

I need a few hours to consider what you've just posted @korwraithand what EDF mean when they write "the change has only just been made" I should let...

10 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: The good, the bad and the not that great – my heat pump installation

The anti-vibration mounts being referred to on a checklist could be heavy rubber 'feet' beneath the outside unit.Building Regs Part-L puts the onus on...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery sizing - How low can you go!

By all means, keep musing away!Adding a second Huawei Luna is more expensive in terms of £s per kWh. I was never able to provide an adequate ans...

10 months ago
Forum
Energy Storage
Reply
RE: The good, the bad and the not that great – my heat pump installation

Hmm; well that's a fairly consistent approach. The installers seem to have screwed both the lockshieldsand their customer ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery sizing - How low can you go!

Yes. But when using batteries in parallel, you usually try to have them of the same capacity.The Huawei Luna battery is much smaller than any which yo...

10 months ago
Forum
Energy Storage
Reply
RE: Battery sizing - How low can you go!

The SunSynk 5kW unit gives you more kW per £ than the 3.6kW you linked to. I was suggesting a DIY wind-turbine rather than off-the-shelf.If you have...

10 months ago
Forum
Energy Storage
Reply
RE: Battery sizing - How low can you go!

No. You need two inverters to incorporate the 2.66kW array.Each inverter will have two MPPT inputs. That still gives you one 'spare' input for renew...

10 months ago
Forum
Energy Storage
Reply
RE: Battery sizing - How low can you go!

Ah yes. I'd forgotten the East/West split.So you will require two MPPT inputs for that arrangement. The Huawei Luna 2000 has a particularly low mini...

10 months ago
Forum
Energy Storage
Reply
RE: In the middle of an ASHP installation - a few questions (and issues)

Yes.... hence my comments about theft-prevention on p.1 of this topic! Having longer hose connections also makes it slightly easier to maneuver a tr...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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