Seacraft manufactures dedicated DPV battery managment system- which is perfectly designed to take special care about one of the most expensive DPV elements, providing it’s long and reliable work.
Cell’s are balanced constantly, not only when being charged- what preserves their lifetime. Three short-current protection levels- electronic cutoff, bimetalic circuit breaker and burn-out fuse provides maximum safety to the operator. Under and overvoltage protections take care to either- not drain the battery too much, or charge it to the dangerous for cell’s levels.