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Bash
@bash
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Joined: Oct 11, 2025
Last seen: Jun 12, 2026
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Topics: 8 / Replies: 203
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RE: New Fogstar 15.5kWh upright solution

@batpred Which one? Depends on what you order? The Seplos units (which you already have), still use the Seplos BMS.  

5 months ago
Forum
Energy Storage
Reply
RE: Solar Power Output – Let’s Compare Generation Figures

@transparent I was surprised at how easy it was to install our battery setup. Granted I am pretty competent at building/fixing things and was con...

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Recommended home battery inverters + regulatory matters - help requested

@jamespa I have self installed 3x Fogstar self build v4 Seplos upright kits, paired with a Seplos inverter. If your DNO is UKPN it is very straig...

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

@batpred You won't be able to daisy chain (for comms) your Fogstar battery though unless you get one of these packs you mention with a Seplos V3 BM...

5 months ago
Forum
Energy Storage
Reply
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
Reply
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
Reply
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...

6 months ago
Forum
Energy Storage
Reply
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...

6 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...

6 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...

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

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

6 months ago
Forum
Energy Storage
Reply
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 ...

6 months ago
Forum
Energy Storage
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