I usually leave my iPhone(s aapl) plugged in to a power source right up until the moment I leave my apartment. But every once in a while I forget, and that’s usually the same day I don’t plan to come home for another 15 hours. Being without power for that long is painful, and I’m not the type of person to keep a spare Lightning cable on me at all times. But I’ve been carrying a Nomad ChargeKey with me for the last couple of weeks, and it essentially renders this problem obsolete.

Think about it: What’s the last thing you’re likely to leave the house without? I’ve forgotten my wallet once or twice, but unless you have a door that locks automatically, chances are your keys are just about guaranteed to go wherever you do. And that’s the beauty of the ChargeKey – it’s the same exact size as…