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Luxpower SNA5000WPV questions

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Hello everyone, 

This post is for users / installers for Luxpower SNA5000WPV inverters.

I am considering swapping my current Growatt SPF5000ES for multiple Luxpower devices (I want to upgrade to make provision for my 11-ish KW peak hour consumption and Eskom have now finally made me commit).

If anyone has the answer to these questions, I would appreciate it:

  • I read in the doccies that the maximum battery discharge power is limited to 4 000W. I am assuming that this would be per inverter and that I would get a potential 8 000W / 12 000W if I parallel 2 / 3 inverters (based on available battery configuration). Is this assumption accurate? (I assume this is BMS controlled over the multiple paralleled inverters).
  • I see also that the maximum battery charge current is 66A. Assuming that this is per inverter, based on BMS control. Assuming this amount will go up per number of inverters / batteries BMS control. Are my assumptions accurate?
  • Monitoring - Right now I am able to use local monitoring (no internet) on my Growatt inverter using modbus and the USB port on the inverter. I have not seen any capabilities on the Luxpower that supports this (no usb port, only a RJ45 that is labelled mppt485, which I am guessing is a RS485 port but not sure what it would be used for), only that their dongle speaks to a monitoring server somewhere on the interwebs. I do not care for monitoring on the internet, but I do care a lot for local monitoring that works even when the internet is down. Does anyone know if this is possible? EDIT: Local monitoring possible, answered by @broloks, instructions over at https://github.com/celsworth/lxp-bridge
  • Generally, how well do these inverters parallel from your experience? Any known issues / pitfalls? 

Thank you in advance to any users / installers that are willing to help out with the above info. :)

Edited by Supergeek
Updating post with answers for easy future reference.

  • Author
19 hours ago, broloks said:

I am not a user or installer, but I have  been looking at that inverter as an option for me. I can share what I learned about the monitoring, apparently you can add another port where you can monitor the inverter locally. Here is the info https://github.com/celsworth/octolux/blob/master/doc/INVERTER_SETUP.md

Hello @broloks,

Thank you for your feedback, and thank you for the github link, that was an awesome find! I managed to make my way over to https://github.com/celsworth/lxp-bridge by the same author that is more in line with what I was looking for.

So, I think based on your feedback, I am comfortable with the monitoring aspects of the inverters.

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