And spare parts and built for repairability. Batteries are practically guaranteed to degrade after a few hundred charge cycles, and totally fail after a few hu

And spare parts and built for repairability. Batteries are practically guaranteed to degrade after a few hundred charge cycles, and totally fail after a few hundred more... with daily charging, that's a timeline of a few years. And with all the breakthroughs in technology, we've gone from replacable batteries everywhere, even with waterproof devices, to impossible or very-hard-to replace batteries, even in large, non-waterproof stuff such as laptops.