batterys gell and wet

[steplift20]

ok maybe some one can tell me the answer to this
i have 2 batterys on my boat with a battery switch they say you are not supposed to mix them like 1 is a gell cell and the other one is a wet cell my question is why
i had this set up for years and with no problem so what gives

[captbent]

talked to my NAPA guy about this , he says it does not matter. he says he knows people with a 2 battery set up in there plow trucks and never had any thing go wrong and been running that way for some time

[steplift20]

capt bent ist reel nice picture lol 2nd what was i talking about oh yeah the baterys i feel the same way but they say you cant mixed them i dont know why maybe some one will leet us know