We are FT and this is the perfect solution. Easy to set up and maintain. On The Go OTG4-DBLSOFT-Portable... https://www.amazon.com/dp/B00KVPNVJ6?ref=ppx_pop_mob_ap_share
It has a regeneration port, says about 30 minutes.
It’s this guy https://www.amazon.com/dp/B00KVPNVJ6/ref=cm_sw_r_cp_api_Q6unAb6JM8EXY