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    • wattmatters
      wattmatters replied to the thread Decreasing Range of MG4.
      It's a normalised range estimate, not an actual achieved range. So if the driving at that time had very good economy then the normalised...
    • wattmatters
      wattmatters replied to the thread Decreasing Range of MG4.
      This is the normalised range estimate and economy rate over the last two years for our MG4 Essence 64:
      • Screenshot 2026-03-29 at 1.37.49 pm.webp
    • wattmatters
      wattmatters reacted to jamakr4's post in the thread Home Assistant MG4 with Like Like.
      Just wanted to share my dashboard (older picture - that's why the milage is lower than it actually is)
    • wattmatters
      wattmatters replied to the thread Home Assistant MG4.
      I use: https://github.com/SAIC-iSmart-API/saic-home-assistant-addon It provides all the sensors and controls via MQTT, so you will need...
    • wattmatters
      wattmatters replied to the thread Home Assistant MG4.
      It'll be an integration issue not correctly identifying your car model/battery capacity. Suggest asking about it on the developer's...
    • wattmatters
      That's because it is V2L. It is not designed for anything other than be a power supply to isolated loads and most definitely not...
    • wattmatters
      Here's a youtube vid where I discuss the V2H/G capability of the Sigenergy system and our MG EVs:
    • wattmatters
      For those suggesting installing a power inlet and break before make transfer switch to isolate the home and V2L supply from the grid, it...
    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      Note that the MG4 user manual does not distinguish between an equalisation methodology for LFP and NMC model cars. While the...
    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      It's not written for technical people either. It's full of translated information that is sometimes inconsistent. The MG4 manual is...
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    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      I think they meant more than what is going through that cell, i.e. siphoning off power as per your diagram.
    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      The resistors can also bleed energy from a cell when the pack is not being charged, so with balance charging switching on/off or ramping...
      • Screenshot 2026-03-25 at 8.59.06 pm.webp
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    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      Especially if the cells and packs are all really well matched to begin with. With lower grade cells that are not well matched, then...
    • wattmatters
      wattmatters replied to the thread Is this SoH OK?.
      Passive balancing dissipates energy from a high voltage cell while the charging continues as the rest of the cells are brought up to a...
    • wattmatters
      wattmatters replied to the thread MG4 in Australia.
      I recently had an video interview with Youtube journo Neerav Bhatt. We covered a range of things and he split the chat into a couple of...
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