SOC and Tail Settings

Question

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question

burnttech asked Mar 24, '21

I added two photos showing the SOC went to 100% very quickly and was thinking I might need to change the settings for the tail percent?

2x SLR125 125ah agm batteries

Battery size = 250ah

Charged Voltage = 13.1v (thinking of changing this to 13.2)

Charge Time = 3m

Change Tail = 4% (not sure about this one)

BMV Battery Monitor SOC

ah.jpg (23.1 KiB)

soc.jpg (24.5 KiB)

chargevolt.jpg (30.8 KiB)

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Answer 1 · 2021-03-24T18:10:26Z

Matthias Lange - DE answered · Mar 24, 2021 at 06:10 PM

Small charging currents most likely from PV often cause a early jump to 100%.
A higher "charged voltage" can help.

1

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

burnttech commented · Mar 24, 2021 at 08:03 PM

Ya sounds like I need to change the higher volt and play with settings tail while using PV. Great Video

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