Victron BMS NG and Lithium NG battery or a stand alone battery with built in BMS of some sort?

DIY
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1

I’m debating between standalone batteries with built in BMS and installing a Victron BMS NG with associated battery, however I feel I’ll lose some functionality if I remove the Smart shunt, are there possibly solutions to that that I’m not seeing:

  1. How do I continue to measure the starter battery voltage (when the AUX input on the smart shunt disappears)

  2. Can I still have MPPT positive (+) go directly to battery and have negative (-) behind new BMS NG? Does it interfere with the BMS in any way? The “Low temperature cut-off” function will be active when the MPPT is part of a VE.smart network, but what if it goes via VE.Direct together with Cerbo GX and BMS NG, how is the MPPT then controlled?

  3. MultiPlus 1600, is its charge and discharge somehow managed via BMS or CerboGX, is it time to activate DVCC?

  4. Enable SVS?

  5. Enable STS?

  6. Enable SCS?