Feels like it would be better to have 2 batteries, dedicated charging "shed", and fast swap ability? Storing the bike outdoors continuously in the sun, wears o

Feels like it would be better to have 2 batteries, dedicated charging "shed", and fast swap ability? Storing the bike outdoors continuously in the sun, wears on the condition considerably faster than indoors. Having the solar panel attached makes for "all in one" articles, but seems rather limited on practicality for most people.