Growatt SPF 3000TL LVM and Rolls Surrette Flooded Battery Settings Issue


New Member
I'm trying to configure my Growatt SPF 3000TL LVM (24 volt) to match the requirements for my Rolls Surrette Flooded Batteries (4x6CS25PS, 6v, Surrette/Rolls, 1156 Ahr@100hr, 820Ah @20hr) but the Growatt voltage charge settings don't seem to go high enough for my requirements. Am I missing something, or are my required settings simply not possible?

I'm trying to set Bulk/Absorb to 30 Volts (as per manual) and Equalization to 31.2 Volts (lowest recommended by manual) but the Growatt only allows up to 29.2 for both:

Battery Charge Recommendations:

Growatt Settings Options