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This statement from MPP Solar concerned me so I include it here . I believe this relates to an old problem with panels that does not exist with modern panels. Earth leakage of the negative in the panels themselves. This is the statement from MPP Solar's HV2-5048 PV panel selection for HV2 models Bec...

Hi , I'm not getting much from that picture its a bit close . I take it the 50mm square is on the left screwed to the wall and cable inside . With the circular flex did you cut the box at the gland entry point some way to get the screw gland in? Thanks Terry ..still to get a satisfactory result with...

Terry, I don't limit the charge to 3.4v The charger is always set at 3.65v . I stop charging when the plate voltage reaches 3.4v. jonescg, I disagree, that's pushing t too close for me and I stick to 3.4v but I make sure its accurate. When you charge the plates to 3.55 v leave it for half an hour an...

Terry ions stick in it and are not able to move so they are taken out of the total available ions . Capacity loss is what you see.

Smappee EV Wall Electric Vehicle Charger
$2,198.90 – $3,346.20 incl. GST

Gee and you can get black or white with that too !

I can offer a graph of discharge at different rates from EVPower which I found on their web site and which matches the experience and graphs I have produced doing similar tests .. I think the graphs given by re-sellers of cells are all imaginary creations to sell you. Its LFP technology so 3.2v nomi...

I fully believe this is the sensible way to go with a Zappi or an Eddi . But the cost ! $700+ ? I want a hot water heater when energy is available and my batteries are charged and the circuitry required must be fairly simple . Just a voltage controlled switch really that can only operate when my bat...

I'm assuming these are for LFP ? If so the 3.65v is a max and no further no matter what anyone says . You are clogging the SEI layer just by being up at 3.65v . They should stay down at 3.4v because the majority of the capacity is within 3.0 volts and 3.4volts . Can they be adjusted down? How would ...

Thanks . Gonna try heating it with a heat gun and working it in but the split tube just for a half inch might work too if it won't go otherwise.

The entry opening on these inverters is rectangular and has a flimsy plastic frame around with a split which promptly falls off. My cables coming in are power point type double insulated wire and its in a 25 mm round plastic flexible pipe . There is too much close wiring and boards to just drill a r...

And between the ears where the noise goes in and out too it seems

So CB is that a CB Radio? or maybe Contact Breaker somewhere. GTI ? Grid Tied Inverter? RCBO Residual Current Breaker? So I'm thinking you have this inverter on batteries normally and the grid and its using some power from the grid . You have decided its the inverter taking it ,is that right? If tha...

I guess you'll think I'm chasing you again Terry but I'm not . I just disagree with your assertions sometimes and you post in threads I'm watching. I'm thinking you might be the Terry making the robot with videos on utube? Some alloy cells are negative on the outside shell and some are not . I can't...

We have several different monitoring systems running. I am using ICC on the non-grid connected system. It might be closed source, but I find it reliable for about 40 days and then it needs a reboot. It's got its own RPi. The main monitoring is python scripting read by Cacti. I've paid for the educa...

Old thread but . The point of going to 48 volts ,actually around 54 volts usually, is the higher voltage needs smaller diameter wiring because only a quarter of the amps flow. This also gives less voltage drop over distance runs. DC up to about 90 volts is fairly safe and stick welders commonly run ...

Not what you want but usually you negotiate the value up by them inspecting the car and giving you a personal value.Doubt anything else will persuade them otherwise.

If you want to get some in depth basics on LiFePo4 which is just a safer version of Lithium Ion cells go here
https://www.facebook.com/groups/271980786862023/

I don't have an EV but would like to . Most batteries generally the capacity is the top voltage reached by any one cell or pack as when it charges to there it turns off . The lower voltage limit is when the cell you mention gets down to your set bottom limit. Your capacity is between those two point...

I would try cycling the cells between 3.8v and 2v for 2 cycles at the suggested 1.6 amp max charge/discharge rate. This will wake up the cells and free up any sluggish tranfer of the lithium ions in and out of both the cathode and anode. We do this with higher capacity prismatic cells that have not...

OK I think I understand now thanks. Downstream being from the viewpoint of power flowing in from the source -->load. Of course that's not what my intention was anyway after the RCD but I guess if the plug outlet earth is joined to the earthing network as it should be then the RCD would operate corre...

If there there is an earth on the neutral down stream from an RCD unbalanced current will flow as current will flow on the earth back to the MEN link so it will trip. Nope still not with it . Must be a bit thick . down stream meaning ? If the inverter produced A/C goes through an RCD before the pow...

Also in the above diagrams having an earth stake at a sub board is rarely done.... the out buildings would have to be a long distance away and doing so prevents you having an RCD up stream,...... with my inverters I only earth the neutral while the inverter is running ....... as the neutral and act...

Fluke explains it better than I: https://www.fluke.com/en-au/learn/blog/digital-multimeters/dual-impedance-digital-multimeters I'm suggesting the 48vac difference measured is more a ghost voltage than anything to be concerned about. A cheap way to do it without a LoZ capable meter would be to put a...

My initial thought was what a good move . Use the infra structure already set-up and save demolition and waste . Transmission would be by 64Kv lines anyway and in A/C so no more lossy than the original. Take into account the future advances in battery technology . Hydrogen might be better sited out ...