I HAVE A MECER 4KVA/5kva (SOL-1-AX-5P64). WITH A BLUE NOVA 12KW LITIUM BATTERY. I HAVE SET NO 12 FUNCTION CHARGER RECONNECT VOLTAGE AT 49 TO RECONNECT TO UTILITY. HOWEVER IT DOES NOT DO SO BUT WILL DISCHARGE TO AT TIMES 20 AND EVEN LESS BEFORE IT RECONNECT TO UTILITY TO RECHARGE THE BATTERY. ANY SUGGESTION TO HELP ME SOLVE THUIS PROBLE WILL BE MUCH APPRECIATED THANK YOU DIR KOTZE