It closes like a briefcase. It opens into 100 watts of solar power. And it keeps working long after the outlet on the wall has quit.

Unfold this Duracell panel, set it on its kickstand, point it at the sun and connect it to your Duracell power station. Monocrystalline cells convert sunlight at about 22% efficiency, a strong rate for a portable panel, so your power station keeps recharging through the afternoon instead of slowly running down.

That changes what a power outage looks like. Lights, phones and small appliances that run from your power station can keep going for days rather than hours, as long as the sun comes up. And on calmer weekends, it brings the same freedom to camping trips, a cabin, a picnic, or a long day in the backyard far from an extension cord.

Weather-resistant construction means it can stay outdoors through a day of changing skies, then fold back up and carry by the handle when you’re done.

Sunlight, after all, has a remarkably reliable delivery schedule.