Also the way they are used is just rough in general. It’s hard on most batteries to be drained all the way and it’s hard on batteries to keep them fully charged all the time without being used.
There are exceptions for different chemistries but in general it’s best to take deep cycle batteries to 50% state of charge and then charge fully.
Lithium ion batteries are different. Those are generally best held between 20%-80%
Latest Answers