There are a few items that I am inordinately fond of for full time truck camping
I was gifted with this light and have been overwhelmed with the joy. It recharges by solar, has 3 levels of light, weighs nothing, I can read in bed comfortably, I can cook without holding a flashlight. Really the best camping tool.
I can change a tire if it goes flat, but worried about the battery. So to ease my mind I plug in a trickle charger every time I stop for a while. Peace of mind while truck camping is precious.
I never had a phone or a computer when I traveled in the 60’s, 70’s or 80’s. Nowadays that no longer applies. To keep everything charged up I have a Goal Zero set up that keeps all lights and all electronics juiced up. Love it. Worth the money. And so much nicer than a generator.