24 VDC lithium batteries for mecer inverter

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  • Tradie
    Silver Member

    • Feb 2025
    • 320

    #1

    24 VDC lithium batteries for mecer inverter

    Anyone have any experience with lithium batteries connected to 24 VDC RCT or Mecer voltronic inverters.

    We have the option of:

    2 x 12 VDC 100 amp/hr, which would give you 200 amp/hr instead of 100 amp/hr like the 24 VDC packs.

    1 x Dyness 24 VDC lithium pack 100 amp/hr.

    1 x Must 24 VDC lithium pack 100 amp/hr

    Which are compatible with voltronic inverters and solar assistant.

    Currently I have 2 x 12 VDC gel batteries connected using solar assistant for remote view and adjusting settings, replacement cost around R5000, do I just replace every 3 years (average life span) or can we justify R10 000 for a 24 VDC 100 amp/hr that is half the capacity but can be discharged to 80% DOD compared to the gels at around 50 % DOD.

    Some would say the charge rate is much better for lithium, that would only be considered if the mecer inverter could charge at a higher rate.
  • GCE
    Platinum Member

    • Jun 2017
    • 1472

    #2
    We have replaced the lead acid type battery on RCT type inverters with Lithium 12v drop in replacements - Have left the loads light as there were with the lead acid set and the systems have performed well

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    • Tradie
      Silver Member

      • Feb 2025
      • 320

      #3
      The cheapest solutions seems to be the Esener multi function battery. R8200.00

      Suitable for Axpert inverters

      24 VDC.
      256 kwh.
      100 Ah.
      C1 rated.
      BMS.

      Comment

      • Tradie
        Silver Member

        • Feb 2025
        • 320

        #4
        Dyness DL 2.5, best price R8450.00

        24 VDC
        2.56 kwh
        100 Ah
        C1.3

        Not sure if it supports Axpert inverters.
        Thes eliste don data sheet ... Steca/Sorotec/MUST/Victron/Growatt/SRNE

        Comment

        • Tradie
          Silver Member

          • Feb 2025
          • 320

          #5
          I am have a choice, Navasolar, Esener or ECCO, they are all priced about the same and within the budget.

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