Hydrogen vs. Battery Electric Cars

I know this a over a year old but as I wrote to Tesla, that would it be a workable idea if they build a battery pack, test the FK out of it, 'till it's NUKE proof, then build the car around it, so it would able the owner to just pull into a service centre, where the car could be either lifted up or driven over a service area, the Battery pack simply removed, replaced by a recharged pack, the owner is on it's way! The biggest downside of EV's is they're "time eaters" in today's world, people are just too busy to wait around for recharging batteries, like some pallet companies, when I was a haulage driver, the pallets are owned by the pallet company and they hire you the pallets per day, for a very small fee, could work the same with battery packs, it could be so automated with today's technology that could be a simple one finger push of a button and you could have these "service centres everywhere, so people could easily access these centres when they need to.