I have no way of working in Psi. My torque wrench goes down to 1Nm and supposedly accurate to 4%(iirc) (it is the 'click kind' and if you go really slow, the click is clear and positive every time).
So i was thinking(as an approximation) 300kgf = 29.4Nm divided over 6 rods = 4.9Nm. Now the...
On victron inv/chargers & SCC's with the in built 'remote on/off function', am i correct in thinking that i can simply run the live(+ve) output cable (only) from the charge & discharge control relays directly(from a chargery BMS).
If my understanding is correct, a chargery BMS will out put 12v...
@mikefitz
Thanks mike...that was my thinking. Are you are qualified electrician by any chance? Could you please point me in the direction of the relevant section within the 18th edition regulations, so that i can argue my case with my 'electrical expert' friend.
Thanks for your help.... this...
Yeah, filterguy, i'm more coming round to your thinking on the subject....think i went down a rabbithole in my reading and created a problem that didnt exist. The only inrush current that does harm, is the battery connect inrush. Thanks for your input.
@jasonhc73
Thanks Jason,
so for the sake of the cost of a second BMS, i would have better control/monitoring if i went 16S2P instead of 2P16S ???
Any problems with the BMS's reading each series string, when ultimately they are paralleled? Would both these series strings still self balance the...
@Cal
Right Cal, now we are getting somewhere (y)
Im presuming the same 40v 3A schottky diode will do for the 24v DC connection?
What im trying to ascertain, is, if you have the 24V pack as the only power source, what is the most efficient way of connecting it to the BMS to acheive the greatest...
Hi Cal, thanks for the input. I'm simply adding it to the charge/discharge relays of my Chargery unit, which in turn is then connected to the remote on/off switching of my victron units. (might use the aux port on the inverter)
I already have the Kyotto ssr's, but rather than simply soldering...
Yes thanks Joey, i have seen that with the polarity and surge protections in various vids. I'm assuming the internals of the inverter/chargers handle the 'earthing' requirements between the DC input and AC output, otherwise, how would anyones system work if never connected to grid....the...
@smoothJoey
Comparing apples with apples, if you compared putting the same 1200w(25A) charge into 4Px100Ah cells and 1x400Ah cell, the charge rate would be the same @ 0.06 C, however, im thinking there would be more resistance on the 4 cell pack due to the connecting bussbars etc. In this...
@Chargery
Thanks for the link jason, however i believe bob is using a 4s 12V system with a shottky diode, where as i'm looking for info as regards a 24V system without the diode. If all thats needed is a simple 5A fuse on the positive connection, then that would be fine.
I had thought i'd read...
How do you actually know if the cells are as good as you would like? Some of the CATL ones from china are a very good price and there seems mixed reports....but how does a novice make that judgement? You can pick up four times the capacity of battleborns at similar price, but that doesnt...
No recommendation...do your own assessment of these shown below.....
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