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robl
@robl
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Honorable Member
Joined: Mar 23, 2022
Last seen: Feb 19, 2026
Profile Activity
Topics: 1 / Replies: 211
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RE: Seplos Mason DIY Kit - Ancillaries - Advice

We just got a seplos mason 280L kit - I think the BMS has 10E written on it. I can confirm that natively it does talk to the sunsynk.

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

Just trying to estimate how quickly short circuit currents are likely to rise, not a comment on the fuse itself.

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

We can calculate the rate of rise of current, if we make an assumption of the inductance which inhibits the current change. 1uH roughly represents th...

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

@chickenbig Re- 280L Seplos vertical kit - I sent photos and a description to Fogstar, about the lack of compression and non-flat base as the kit p...

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

In the end it took 5 days to charge at 2A, so about 250Ah went into each cell. When the cells are charged, any variation appears, and it took another...

2 years ago
Forum
Energy Storage
Reply
RE: Solar Diverter and faulty immersion thermostat = Accidental Sauna ***SERIOUS PROBLEM****

@misterb Until last years November freeze, we had solar thermal connected to one of our DHW tank inputs. Sadly an ST panel bust, and I decided to ...

2 years ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Seplos Mason DIY Kit - Ancillaries - Advice

A bit of bodgineering below - the 3.6kW sunsynk hasn't got an external fan, so tends to get pretty hot when working hard. Its big brother that I'd or...

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

I applied online to Sunsynk to be a user. Once you have user name and password, you can request a status upgrade - I chose "installer", which means I...

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

Our battery is almost charged now - It's had 2A continuously for 4 days, so about 200Ah going into each cell. Now they are fuller, discrepancies are ...

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

@chickenbig Neat install ! I've now seen a construction vid from Seplos of the 280L. They don't directly show the base while filling it with cel...

2 years ago
Forum
Energy Storage
Reply
RE: Heat pumps and on/off working - starting to quantify it

Cycling is pretty much always going to happen during mild weather. Heatpumps tend to only modulate down to 30% or so of their peak capability - and t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

The spec of the one I have is 100mOhms, and I can read on it the cap values it uses - they are 3x 6.3V 2200uF per channel. The total charge transferr...

2 years ago
Forum
Energy Storage
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