Quattro LiFepo4 Charge sequence

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tony-c asked Aug 17, '20

Quattro LiFepo4 Charge sequence

I have selected Lithium batteries in the VE Config 3 and LiFePO4 in the following battery type panel. An explanation of the settings appear in a pop up table.

I have watched the charging process:

Bulk = Constant Current, with voltage steadily climbing towards 14.2V

Absorption = Current reducing and voltage nears 14.2V

14.2v and current down to 10A

My question is when does the Quattro switch to float (13.5V)?

I realize that the terms Bulk and Absorption are not applicable to LiFePO4, perhaps Victron could change the headings to "Charging" & "Float" in a future update

Lithium Battery

1597656777463.png (31.0 KiB)

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Answer 1 · 2020-08-28T11:33:55Z

tony-c answered · Aug 28, 2020 at 11:33 AM

I had this advice from a very helpful victron tech in Australia.

basically the Quattro switches to Float after being in Absorption for 1 hour. No science, no "Smart' profile just 1 hour

if I had looked at the data panel it does say "Max Absorption time = 1 Hour"

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