Different Brand Batteries in Parallel
I have two M27MF Delco 12v no-maintenance deep cycle batteries in parallel. I have used them this way for many years in our 16’ fishing boat mainly to crank the motor and run the trolling motor. The...
Forum Discussion
There is no need for the batteries in parallel to be of the same capacity if they are both in good shape.
However, if by that is meant that two same- rated capacity batteries are now of different capacities, so that means one is more sulphated than the other, then yes that will be problematic.
However, if by that is meant that two same- rated capacity batteries are now of different capacities, so that means one is more sulphated than the other, then yes that will be problematic.
