Well my WF-9855 converter is behaving just like everyone says, no bulk charge available regardless of SOC. And as usual it's gotta be the garbage factory wiring, it's 20+ ft. to tongue mounted Interst...
The WF-9855 is the problem no doubt but I'm reading that the factory wiring is also notoriously under sized, my converter to batteries distance is around 20+ft. so to narrow it down I need to meter the converter output voltage, if it's 14+V it's a wiring issue. Starting to take a look at these other converter brands...