Hello All,
I've installed a Skylla-i 100 amp charger in my boat. The system includes 3 X MP-II running in parallel communicating with a Cerbo GX. The CALB cells are managed by my REC-BMS units. So the REC-BMS controls the MP-II units.
The goal is to have the Skylla-i provide power when connected to the shore grid to keep my LFP battery bank from cycling too much. (may not be the proper terminology)
As we all know the Skylla-i is older technology and can't be connected to the Cerbo GX. (at least as far as I can tell)
So it looks like the best option is to set the Skylla-i rotary switch to position 8 and then adjust the potentiometers for Absorption and Float to 28 volts. (3.5 volts/cell for my 24 volt batteries) Position 7 on the rotary switch charges to 28.4V (3.55 volts/cell) which I feel puts unnecessary stress on the cells.
I have wired up the voltage sense to the main bus bars next to the batteries, making it easier to get the actual voltage presented to the batteries.
My question is thus: what is the procedure for adjusting the potentiometers to deliver 28 volts for Absorption and Float? Do I charge the batteries to 28 volts and then adjust the potentiometers so that no current flows? Another technique perhaps?
If anyone has done this set successfully, I'd be very interested in understanding the procedure you used.
P.S.- I do wish that VE would consider developing a 100 amp charger that can be connected to the network and managed as part of a complete system. Seems strange that they don't have a modern charge in this category.
