there are a series of fundamental linked to the efficiency of the batteries recharging as the problems and so on which have way to go
There are still a series of fundamental problems linked to the efficiency of the batteries and recharging, as well as the problems of standardisation, interoperability, and so on, which have a long way to go.
There are a series of fundamental linked to the efficiency of the batteries recharging, as the problems and so on, which have way to go.