The charging rates and characteristics are different for the different type batteries, so whatever type the chaarger is set for, the other won't charge properly and it's possible to cause battery damage.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2018 Robalo R180 CC, Yamaha 115
Bitter Gun Owner