I also have the Daly 4S 12V 250A BMS and I was able to connect via BT (ios) and change only some of the settings, using password 123456 I was able to change Capacity, SOC, Chg overcurrent protect, dischg overcurrent prot... I also found the BT connectivity goes into sleep mode, I've only just...
Thanks for your reply, I will use those settings, I have the bulk and float settings at 14.4v and 13.6 on the chargers ( 2 solar Victron MPPT's and 40a Sterling power) so that will work well, BTW the system is a 500ah Sinopoly cells 4S and I have installed it in my boat, cheers
I'm in Brisbane and am selling a 40a Sterling power Pro Charge ultra charger that does AGM, GEL. lifepo4, in perfect working order $350 inc registered postage,
https://www.solaronline.com.au/sterling-pro-charge-ultra-12v-40a-smart-battery-charger.html