I always have this mild concern in the back of my mind, that the house is absolutely chock-a-block with gadgets that contain LiPo type batteries, that are left

I always have this mild concern in the back of my mind, that the house is absolutely chock-a-block with gadgets that contain LiPo type batteries, that are left on chargers. I try to at least have them all unplugged if we go away for a while, and usually failing batteries have the courtesy of visibly bloating long before they go kaboom (in fact I've had several bloated but none rupture over the years). Charging an EV in the garage, hmmm. Sure the probability of something going wrong is low, but it it does go wrong, it's a near 100% probability that the house burns down! So I'd rather have a possibly dodgy (but probably not; one can recognize sound enginering at a glance in the photo) charger and car outdoors, than one inside on a name-brand charger.