I wonder if the lead acid battery or the lithium battery would be more appropriate to put on the list. Lead acid got us from, what 1940 to 2005? Something like

I wonder if the lead acid battery or the lithium battery would be more appropriate to put on the list. Lead acid got us from, what 1940 to 2005? Something like that? But the utility of Lithium Batteries has blown what was already a gigantic market even wider open.