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Bash
@bash
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Joined: Oct 11, 2025
Last seen: Jun 19, 2026
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Topics: 8 / Replies: 211
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RE: New Fogstar 15.5kWh upright solution

@batpred Maybe you should buy your additional battery pre-built this time? If you do get another it is pretty simple to daisy chain them. It is d...

6 months ago
Forum
Energy Storage
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far

@drei Personally I didn't see any point paying the significant premium for branded eco system batteries. For me the amount of kWh's was more import...

6 months ago
Forum
Energy Storage
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far

@energy9165   I too had this concern with the 8kw unit, that there are fans as well as passive cooling through the large heatsink. I chose...

7 months ago
Forum
Energy Storage
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RE: New Fogstar 15.5kWh upright solution

@transparent My conclusion is as you have noted, that the connection(s) to the cells need checking. There are a few, so one may not be seated cor...

7 months ago
Forum
Energy Storage
Reply
RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?

I suspect a good chunk of the "losses" are power consumption of the inverter itself. Our Solis inverter consumes somewhere between 50-100w depending...

7 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

@transparent   I have 3 of these units and extensive knowledge of building them (and liaising with Fogstar), particularly around the JK Acti...

7 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

@batpred Did you build your pack, or buy it pre built?

7 months ago
Forum
Energy Storage
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RE: New Fogstar 15.5kWh upright solution

@batpred That's right the Seplos BMS manages the pack and communicates with the Inverter. The JK active balancer I think you are referring to is ...

7 months ago
Forum
Energy Storage
Reply
RE: New Fogstar 15.5kWh upright solution

@batpred   Which BMS do you mean? You say you've upgraded the Seplos BMS firmware, but then go on to say JK BMS? It can't be both?

7 months ago
Forum
Energy Storage
Reply
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt

@jwhite   The design temp of Heat Geeks doesn't stack up to me. How can it be at 40c with no radiator changes, especially when BG are requiri...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt

@jwhite You could ask British Gas to price match Octopus, they did for me. They might quibble at the additional cost of the Vaillant unit, but ma...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far

  I'll be interested to see how you get on. Are Octopus still charging for this route, or is it free now? I also don't have an MCS certificat...

7 months ago
Forum
Energy Storage
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