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Message: <blockquote data-quote="Alan B" data-source="post: 561123" data-attributes="member: 37327">After 2 years  use ,I recently notice my bank will not charge above 49.6 volts , the system is an EPEVER hybrid 5KW with 8kw of hoppecke AGM batteries.I have checked my user and default engineer settings for AGM  with EPEVER customer care and all is good .As far as im aware the batteries have been charging and discharging ok.    {until I changed to "utility priority" output a week ago}when i use a multimeter across the main terminals of inverter that lead to the bank it reads 49.8 v ,this is when the LED display is showing "equalize".the equalize voltage should be 58.4 v,     { "equalize" has been on display constantly for a week}    .could this be because....Im measuring at wrong place or because the bank is connected while testing.the inverter is faulty the batteries have bit the dust .EPEVER have said the need me to return the inverter for testing ,which would be inconvienient .[especially if it turns out to be batteries at fault ]Im not a sparky but can do basic testing ,any ideas where to go from here please,</blockquote>