Which battery in the bank should Smart Battery Sense connect to?

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geordied asked Feb 12, '19

Which battery in the bank should Smart Battery Sense connect to?

Hi, I'm going to add the Smart Battery Sense to our Bluesolar 100/50 mppt controller to improve charging on our battery bank. The system is 24v and we have 4 x 6v FLAs in series. Which battery should the SBS be connected to (and presumably to both terminals on the same battery)?

Smart Battery Sense

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Answer 1 · 2019-02-12T13:07:27Z

Paul B answered · Feb 12, 2019 at 01:07 PM

with the info supplied

I would connect them to the same pos and neg connection that goes to all the loads.

otherwise we would need a diagram of how the current batteries are connected

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Answer 2 · 2019-02-13T15:41:58Z

geordied answered · Feb 13, 2019 at 03:41 PM

It's a standard wiring configuration for batteries in series, as my diagram shows.

img-20190213-153943.jpg (281.3 KiB)

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Answer 3 · 2019-02-14T11:43:54Z

geordied answered · Feb 14, 2019 at 11:43 AM

Is there anyone here from Victron who can answer my question please?

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boekel ♦ commented · Feb 14, 2019 at 09:21 PM

Did you read the manual?

https://www.victronenergy.com/live/smart_battery_sense_manual

https://www.victronenergy.com/live/victronconnect:ve-smart-networking

obviously you'll need to connect to the most negative terminal and the most postive, otherwise you can't read the battery voltage.

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Answer 4 · 2021-12-07T17:49:40Z

jav6joev answered · Dec 07, 2021 at 05:49 PM

@Boekel not clear what the ‘most negative’ or ‘most positive’ terminals are. Manual downloaded in 2021 didn’t have any reference.

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Daniël Boekel (Victron Energy Staff) ♦♦ commented · Dec 07, 2021 at 06:40 PM

@jav6joev

like in the picture above, most left and most right

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