What you really need is 24/7 power supply, it might become a luxury to have uninterrupted electricity exactly as it is a luxury to have enough of fresh water.
When you're in one place, you'll just have a battery+solar I bet, but for when on the go, maybe for days, having a tiny nuclear battery that lasts N years would be great.
When you're in one place, you'll just have a battery+solar I bet, but for when on the go, maybe for days, having a tiny nuclear battery that lasts N years would be great.