Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Nov 3, 2025
@transparent still charging lol. No idea how long it's going to take
@benseb can you explain what changes you made?
@transparent no that's the reading on the cells from my multimeter
@transparent by my calcs I have roughly another 29 hours of charging left to top balance. Cells are currently at 3.36v, so 16 cells x 280ah = 15,053...
Made some new connectors using left over wire connectors and some very thick cable. Now charging at 10a continuous current, aiming for 3.6v Let's se...
@derek-m @transparent Annoyingly I can't measure the current. I have two multimeters, one only measures AC current and the other measures DC but onl...
@transparent still going at 4 and a bit amps. So tiny amounts of power trickling in
@squonk yeah you are going to want to change those, 100% you'll be on the wrong setting if it's on the defaults. I don't have your unit, but some peop...
@squonk do you have a heat curve on your system? Ideally you want it just ticking over, but maybe your heat curve needs tweaking for this time of year...
Run it all day, lower the flow temp. Use less power and you'll get a constant heat all the time. You're letting it cool down and then it needs to get ...
I don't think it matters too much. As long as they can charge it doesn't really matter. I'm not sure who is in a major rush. I just wasn't thinking wh...
@transparent the fuse is fine and everything is ok. It wasn't connected very long. And it is now charging, or at least it seems to be as power is comi...
- 26 Forums
- 2,610 Topics
- 60.8 K Posts
- 267 Online
- 6,967 Members
Join Us!
Worth Watching
Latest Posts
-
RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
@editor Thanks Mars. I look forward to the subsequent ...
By DavidB , 26 minutes ago
-
RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 48 minutes ago
-
RE: Brand and installer questions for ASHP
A tank solely in the return (upstream of where the retu...
By JamesPa , 51 minutes ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
I've had a few hours with hush mode now, seems to have ...
By swwils , 55 minutes ago
-
RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
thank you to all who have already replied. I have been...
By madsid , 2 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@temperature_gradient I've had air-to-air for just over...
By Anne Smith , 16 hours ago
-
RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repla...
By bobflux , 17 hours ago
-
RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 24 hours ago
-
Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 1 day ago
-
Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 1 day ago
-
RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 2 days ago
-
RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 2 days ago
-
There are just too many unknowns for me to comment on p...
By Transparent , 2 days ago
-
RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 2 days ago
-
RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 2 days ago
-
RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 2 days ago
-
RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 3 days ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 3 days ago
-
RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 3 days ago
-
RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 3 days ago
-
RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 4 days ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 4 days ago



