mixing batteriy sizes
I have 3 deep cell batteries. One of them is bigger (and newer) than the other 2. What happens if I try to use a big and small one together? What about putting all 3 together?
Forum Discussion
In a boat multiple battery banks makes sense. If one is ran dead, you can start the motor with the second bank. Of course one is typically starting and one is house.
On a trailer it makes less sense. The faster you discharge a bank, the fewer Amp hours it will produce. A single large bank provides more than 2 small banks of the same total Amp hour rating. The exception would be trying to milk the last bit out of an end of life battery where it will kill the new battery but then you probably aren't getting much out of the old battery anyway.
On a trailer it makes less sense. The faster you discharge a bank, the fewer Amp hours it will produce. A single large bank provides more than 2 small banks of the same total Amp hour rating. The exception would be trying to milk the last bit out of an end of life battery where it will kill the new battery but then you probably aren't getting much out of the old battery anyway.
