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Illustrious Member
Joined: Jan 20, 2022
Last seen: Sep 12, 2025
Profile Activity
Topics: 16 / Replies: 2456
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RE: Battery Charging Anomalies

@dunlorn the BMS (electronics) in each battery will have at least one temperature sensor. Maybe more. Can you actually see what they read when using...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Battery Charging Anomalies

Erm. @derek-m the batteries which @dunlorn has are Puredrive. We were only discussing Powerwall because @steevjo quoted something on their website.

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Battery Charging Anomalies

@steevjo has rightly raised the issue of temperature, but I ought to qualify what Powerwall have stated: Yes, lower temperatures decrease the rate o...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Suggestions on how to seal these gaps and holes in very tight space

@editor - I've just taken a moment to look if there are any environmentally safe ways to discourage wasps.The answer is yes! 😎 Predators include: P...

2 years ago
Forum
DIY
Reply
RE: Suggestions on how to seal these gaps and holes in very tight space

Well that wasn't the answer I was expecting @homer_boy ! The Illbruck foam differs from generic PU (polyurethane) for two reasons: it retains a ...

2 years ago
Forum
DIY
Reply
RE: Battery Charging Anomalies

Well I'm glad to see that you're obtaining some responses from Solis. If they say that something has been 'fixed', how are they applying that 'fix' ...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Suggestions on how to seal these gaps and holes in very tight space

You'll need to substantiate why you've identified that specific sealant @homer-boyWhat attribute does it have which a generic expanding-foam product d...

2 years ago
Forum
DIY
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Sorry @iaack but I'm wary of suggesting the use of bias resistors on an open forum without a number of caveats being stated. Let me just mention a f...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

In practice you will find that a client connected to a single server doesn't care whether the 120R is or isn't there. It becomes a problem when you ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

The 'issue' with Modbus is the lack of conformity. A couple of weeks ago I was comparing two Battery BMS units from different manufacturers.One of t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery Charging Anomalies

Every process which your electricity passes through will create a few percent loss. Imagine that the inverter is 97% efficient at converting the inp...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Battery Charging Anomalies

That isn't how your Puredrive batteries are being charged. The charge current will be set by a micro-controller. It's configurable, and independent ...

2 years ago
Forum
Solar Photovoltaic (PV)
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