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Joined: Jan 20, 2022
Last seen: Aug 20, 2025
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Topics: 16 / Replies: 2434
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RE: A beginner's journey into DIY home energy storage - no solar!

I haven't come across a bi-directional inverter which does not have solar input @alphonsoxThat bit of the electronics isn't a substantial part of the ...

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

OK. Understood. So you will require a G98 certified inverter because it's grid-tied.And you'll want one with a Current Transformer (CT) which is confi...

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

Hi @alphonsox - you're welcome here, whether you use Irish electrons or British ones.Why do your options equate to zero potential? 1: If you're not ...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Oh woe! You're right to get Brian involved. China doesn't have the Christmas holiday that we get, so he'll be able to work on your case whilst you e...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

You need to pick up this information from the Seplos manual @makia2023 The majority of BMS units do not have a B+ connection at all.Their operating ...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Good. I'm pleased to hear that. Yes, it is quite common for inverters to require an input before they will operate. There is usually a 'priority' ...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Have you actually disconnected the black and white wires from the Sunsynk inverter? A 2-wire CT clamp is just a coil inside a piece of plastic. I'...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Having more than one multimeter would seem a prudent investment for someone who's just imported 64 lithium cells from China! I have three multimeter...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Expand that comment please @makia2023 The full SunSynk diagram of all possible configurations has three CTs on it. 🙄 I'm going to assume ...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

@hughf - balance resistors ... in an active balancer model? What are they doing there?

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

Here's the relevant section of the EVE 280k LiFePO4 specification for cell temperature: Even in an unheated utility room, it's unlikely that your ...

2 years ago
Forum
Energy Storage
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

I think you're being over-anxious on the possible risks. The reason that we can work on these batteries without being a qualified electrician is tha...

2 years ago
Forum
Energy Storage
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