For some applications the simpler solution, heavy, robust, is still the right one. Although Lead acid batteries are not as common as they used to be, there are some systems where we will recommend them.
However, if we look at the Lead acid brands we will find that not all of them are cheap. There are brands designed for harsh environment (MIL-STD-810), with high discharge rate, safe and for long life.
Lead Acid Batteries
|Performances of High end cells|
Additional charging during the storage:
While preparing these materials we are based on the recommendations of batteries manufacturers.