Unfortunately, space is at a premium in our motorhome, so carting the extra battery around in the other three seasons when our solar more than covers our usage is not really an option I wanted, hence wanting the 120Ah battery as a temporary addition as and when needed.
I'm going to be cabling...
I'm running a Smart Daly BMS 12v 4S.
I emailed Daly asking for RS485 pin-out details and they emailed me back this and I have the "Px" 5 pin port on my Daly BMS.
Having built myself a new 280Ah LifePo4 battery pack for our motorhome, I now have my previous 120Ah LifePo4 battery pack looking for a job.
With being mostly off-grid when away in our van over the winter months and our 410 watts of solar not doing much to help with the low sun at this time of...