my two new gel baterries "swollen", help please.

[pedromolina]

hi
new in the group and new in the off-grid life.

i recently bought two gel 12v/100amp baterries and connected them in paralel.
after 4 days they "swollen"

what im doing wrong?

thanks

 

[Samsonite801]

Do you have any pictures?

 

[time2roll]

So a sealed lead acid with gelled electrolyte? Usually swelling would occur from charging too fast (too many amps) or charging at too high of voltage.