Mine is working well.
With the remote monitor I can adjust all the relevant charging parameters. And you can get the battery temperature probe so it auto-adjusts the charging parameters according to temperature.
EDIT: like BFL13 I have the A model, 2210A specifically.
2014 ORV Timber Ridge 240RKS,8500#,1250# tongue,44K miles
690W Rooftop + 340W Portable Solar,4 GC2s,215Ah@24V
2016 Ram 2500 4x4 RgCab CTD,2507# payload,10.8 mpgUS tow