Some day the Taiwanese company MEANWELL will bring out A to D management of individual cells with corresponding I ratings for amperage. Silicon Carbide MISFETS now can easily handle hundreds of amperes of current.
I won't be around to see whether or not millions of acres of solar panels are going to address daytime only battery recharging.
Take a look at 50 Kw prime power generator sets to see the significance of perspective for recharging. It takes a 6 cylinder turbocharged big rig diesel engine to drive a single generator at 1,200 RPM. Better yet, divide the Megawatt total of Boulder dam into 50Kw segments.
Then do line transmission math workouts. It's going to be a multi-trillion dollars project for California alone to upgrade.
