Building my 48(3Px16S)x280Ah EVE Bank in ESS Victron Energy

Sebanavila said:

Just make sure that the wire, from the battery or batteries to the Lynx or Busbar that you decide, are the same length and also from the Lynx or Busbar to the inverters.

Click to expand...

Make sense of course, I hope it will be enough!

Yeah... I will buy a Lynx smart shunt, and two power in and a DC distrib module....
One power in for the 3 batteries coming in with fuses hack (I abandoned the circuit breaker idea).
The other power in for the 3 Smart Solar charger.
The DC dist. for the two Quattro inverter....

It's money burning seasons....

Zucca said:

Yeah... I will buy a Lynx smart shunt, and two power in and a DC distrib module....
One power in for the 3 batteries coming in with fuses hack (I abandoned the circuit breaker idea).
The other power in for the 3 Smart Solar charger.
The DC dist. for the two Quattro inverter....

It's money burning seasons....

Click to expand...

Just on a side note, you can sync the Smart Solar charge controllers into a VE.direct or Bluetooth network group, along with the shunt, and then all the charge controllers will sync up onto the same charge cycle (Bulk, Absorption, or Float together), and each charge controller pushes the best amps it can, but they all will read the same voltage, amperage, and temperature reading off of the common point which is the shunt.

I have my BMV-712 battery monitor (shunt), and two 250|100 charge controllers in a bluetooth network group (set it all up in Victron Connect app), and it works beautifully together.

Make sure the chargers have good ventilation around them because they get pretty warm when pegging at 100a each. I even mounted a little fan down by mine which helps to keep them a bunch cooler, helps dissipate the hot area around them and they feel much cooler to the touch (piece of mind, maybe will help them last longer)...

Samsonite801 said:

Make sure the chargers have good ventilation around them because they get pretty warm

Click to expand...

they will be installed 1.5 meter away from a rheem proterra 65gal hybrid water heater...

Zucca said:

I know, but in the very screenshot above the Busbars options has still a diagonal connection....

This is a little confusing. The text list has two separate options for diagonal connection (the first) and the Busbars (the last one).
So I would assume, if you go with Busbars you do not need to be diagonal anymore, and the picture seems to go against the list.


In the above video moreover another example of batteries going to a Busbars and then the choice to connect them diagonally.

The only possible reasonable explanation IMHO is that since the connection points to the Lynx system have short distance (there are no long Busbars) it is okay to connect them without a diagonal... because the resistance is still very very low and there is not too much electric imbalance/asymmetric circuit.

Click to expand...

Yeah, the first and the last, they are both diagonal, but one represents cables, and other bus bars, but the same concept applies there, anything you can do to balance out the average to get closer to symetrical again (on the parallel section of the circuit).

Zucca said:

I know, but in the very screenshot above the Busbars options has still a diagonal connection....

This is a little confusing. The text list has two separate options for diagonal connection (the first) and the Busbars (the last one).
So I would assume, if you go with Busbars you do not need to be diagonal anymore, and the picture seems to go against the list.


In the above video moreover another example of batteries going to a Busbars and then the choice to connect them diagonally.

The only possible reasonable explanation IMHO is that since the connection points to the Lynx system have short distance (there are no long Busbars) it is okay to connect them without a diagonal... because the resistance is still very very low and there is not too much electric imbalance/asymmetric circuit.

Click to expand...

Just got a "waitaminute"moment, I had to post it.
I think I solved the above dilemma... to make the Lynx Power In perfectly symmetric.

Let`s say the rest of the system is connected to the right of the Lynx Power In

Example with 3 battery packs (my case) A, B and C

2 --> A+
3 --> B+
4 --> C+
6 --> C-
7 --> B-
8 --> A-

you get the idea... same stupid concept apply to 2 or 4 battery packs...

Yeah I know milliohm... but hey there are no extra cost in the above