When LV6548/Max6.5K connect with more than 1 lifepo4 batteries in pylon protocol communication mode, the default maximum charging current is preset as
50A (1battery);
100A (2batteries);
120A (3batteries).
In PYL communication mode.
50A (1battery)
100A (2batteries)
120A (3batteries)
What if we want to avoid possibility that all 120A sending to 1 battery, which reachs full charge the last?
The maximum charging current can be manually changed from parameter 02, the steps as following:
In pylon protocol communication mode, inverter detect connected battery quantity, to define max charging current.
The current can be manually adjusted from parameter 02.
Long press 'enter' key, navigate to parameter 02, press enter to set the value, use 'up' key to adjust to wanted current, press 'enter'to save.
For example LV6548:
In pylon communication mode, max current default is 120A. follow the above mentioned method, it can be adjusted to 100A or less.
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On page 43 of your manual, the max solar input is 8000W. On the same page the max charge current is 120A. If we use a float voltage of 54V and try to charge at the max charge current (120A) that’s 54*120= 6480W and not anywhere close to the 8000W of max solar input or only 81% efficiency. So what is correct? What is the max chage current I can expect the inverter to produce to the battery bank when applying 8KW of solar input to a 54V battery?