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
They don't necessarily have to be the same brand, but as mentioned above the do need to have the same capacity with also means they need to be the same age. If one is gone, you need to replace both.
